{"product_id":"kohler-command-pro-efi-model-ech650-21hp-engine-service-repair-manual","title":"Kohler Command PRO EFI Model ECH650 21HP Engine Full Service \u0026 Repair Manual","description":"\u003cdiv style=\"width: 100%; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif; line-height: 1.6; color: #2d3748; background: #f3f6f8;\"\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #0073b1; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #0073b1 0%, #004471 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 🏷️ Basic Information\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f8; border-left: 4px solid #0073b1; padding: 12px 16px; font-weight: 600; color: #004471; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #0073b1; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Identification\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Make:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Kohler\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Model:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Command PRO EFI\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Model Variant:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n ECH650\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Engine Type:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Air-cooled, four-stroke, V-twin gasoline engine\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Rated Output:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n 21 HP (15.7 kW)\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Displacement:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n 674 cc (41.1 cu in)\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Production Years Covered:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n 2000s-2010s Command PRO EFI ECH series\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Emission Compliance:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #0073b1; background: #e8f4f8; padding: 8px 12px; border-radius: 8px; border: 1px solid #b3d9f2; font-weight: 600; font-size: 14px;\"\u003e\n EPA and CARB certified for the applicable production years\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #378fe9; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #378fe9 0%, #1e5f99 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 👋 Introduction\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f4f7fa; border-left: 4px solid #378fe9; padding: 12px 16px; font-weight: 600; color: #1e5f99; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #378fe9; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Market Position\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7fa;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1e5f99; font-size: 15px; margin-bottom: 6px;\"\u003e\n Target Audience:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Commercial landscape contractors, grounds care operators, and equipment owners running commercial mowers, aerators, and utility equipment\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7fa;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1e5f99; font-size: 15px; margin-bottom: 6px;\"\u003e\n Segment:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Professional-grade horizontal-shaft and vertical-shaft small engine class\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7fa;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1e5f99; font-size: 15px; margin-bottom: 6px;\"\u003e\n Competitive Advantage:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Closed-loop EFI metering delivers consistent fuel delivery across altitude, load and temperature changes, reducing fuel consumption versus carbureted engines of comparable output\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7fa;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1e5f99; font-size: 15px; margin-bottom: 6px;\"\u003e\n Key Feature:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #0073b1; background: #e8f4f8; padding: 8px 12px; border-radius: 8px; border: 1px solid #b3d9f2; font-weight: 600; font-size: 14px;\"\u003e\n Electronic fuel injection with oxygen sensor feedback and electronic throttle control\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7fa;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1e5f99; font-size: 15px; margin-bottom: 6px;\"\u003e\n Key Feature:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Maintenance-free hydraulic valve lifters\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7fa;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1e5f99; font-size: 15px; margin-bottom: 6px;\"\u003e\n Key Feature:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Integrated engine management with diagnostic capability\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7fa;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1e5f99; font-size: 15px; margin-bottom: 6px;\"\u003e\n Key Feature:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Compact V-twin package suited to mower decks and pump drives\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #1a5490; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #1a5490 0%, #0d3d6b 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 📋 Manual Details\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f2f5f8; border-left: 4px solid #1a5490; padding: 12px 16px; font-weight: 600; color: #0d3d6b; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #1a5490; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Product Format\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0d3d6b; font-size: 15px; margin-bottom: 6px;\"\u003e\n Format:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n PDF\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0d3d6b; font-size: 15px; margin-bottom: 6px;\"\u003e\n Delivery:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Instant download\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0d3d6b; font-size: 15px; margin-bottom: 6px;\"\u003e\n Binding:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Digital\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0d3d6b; font-size: 15px; margin-bottom: 6px;\"\u003e\n Language:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n English\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0d3d6b; font-size: 15px; margin-bottom: 6px;\"\u003e\n Manual Type:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Full Service \u0026amp; Repair Manual (factory-style shop manual)\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0d3d6b; font-size: 15px; margin-bottom: 6px;\"\u003e\n Page Count:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - page count varies by revision of the digital file\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f2f5f8; border-left: 4px solid #1a5490; padding: 12px 16px; font-weight: 600; color: #0d3d6b; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #1a5490; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Coverage Areas\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0d3d6b; font-size: 15px; margin-bottom: 6px;\"\u003e\n Vehicle Coverage:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Kohler Command PRO EFI model ECH650, 21 HP\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0d3d6b; font-size: 15px; margin-bottom: 6px;\"\u003e\n Content Scope:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Diagnosis, disassembly, inspection, repair, reassembly, adjustment and specification data\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0d3d6b; font-size: 15px; margin-bottom: 6px;\"\u003e\n Intended Use:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Professional repair shop and experienced DIY engine service\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #2867b2; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #2867b2 0%, #1a4d80 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 📖 Manual Coverage\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f9; border-left: 4px solid #2867b2; padding: 12px 16px; font-weight: 600; color: #1a4d80; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #2867b2; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Systems Covered\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Engine Mechanical:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Cylinder heads, valves, valve train, pistons, rings, connecting rods, crankshaft, crankcase and covers\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Lubrication System:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Oil pump, oil filter, oil cooler provisions, pressure relief and oil flow circuits\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Cooling System:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Air-cooling shrouds, flywheel fan, cylinder fins and debris screen\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Fuel System:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Fuel tank, lines, filter, fuel pump, pressure regulator, injectors and fuel rail\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n EFI \/ Engine Management:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Electronic control unit, sensors, actuators, wiring and closed-loop fuel control\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Ignition System:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Ignition coils, spark plugs, trigger, kill circuit and timing\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Electrical System:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Starter motor, charging system, battery circuit, relays, fuses and connectors\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Governor \/ Throttle:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Electronic throttle control, governor function and speed regulation\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Exhaust System:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Muffler, manifold and heat shielding\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f9; border-left: 4px solid #2867b2; padding: 12px 16px; font-weight: 600; color: #1a4d80; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #2867b2; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Procedures Included\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Diagnostic Procedures:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n EFI fault diagnosis, sensor testing, fuel pressure testing and no-start troubleshooting\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Adjustment Procedures:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Valve clearance, throttle position, governor and idle adjustments\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Disassembly and Assembly:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Step-by-step teardown and rebuild with torque sequencing\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Measurement and Inspection:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Component wear limits, clearances and tolerance checks\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Wiring:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n EFI and engine wiring diagrams with connector identification\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f9; border-left: 4px solid #2867b2; padding: 12px 16px; font-weight: 600; color: #1a4d80; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #2867b2; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Technical Depth\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Torque Specifications:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Included for fasteners throughout the engine\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Clearances and Tolerances:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Included for valve train, piston, bearing and shaft fit\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Service Limits:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Wear limits and reject dimensions provided for rebuild decisions\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Diagnostic Charts:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Symptom-based troubleshooting tables\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Special Tools:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Listed where factory tooling is required\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f9; border-left: 4px solid #2867b2; padding: 12px 16px; font-weight: 600; color: #1a4d80; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #2867b2; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Parts Information\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Component Identification:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Part names and location illustrations for ordering\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Part Numbers:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - part numbers vary by engine specification and build; use the Kohler parts lookup for your serial number\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Exploded Views:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Diagrams showing assembly order and component relationships\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a4d80; font-size: 15px; margin-bottom: 6px;\"\u003e\n Fastener Identification:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Sizes and grades called out where critical\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #0a66c2; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #0a66c2 0%, #004182 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 📊 Manual Specifications\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f2f5f9; border-left: 4px solid #0a66c2; padding: 12px 16px; font-weight: 600; color: #004182; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #0a66c2; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n File \u0026amp; Compatibility\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004182; font-size: 15px; margin-bottom: 6px;\"\u003e\n File Format:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n PDF (searchable, bookmarked, zoomable)\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004182; font-size: 15px; margin-bottom: 6px;\"\u003e\n Compatibility:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Windows, macOS, Linux, iOS, and Android — any device with a PDF reader\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004182; font-size: 15px; margin-bottom: 6px;\"\u003e\n Requirements:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n A PDF reader application (e.g. Adobe Acrobat Reader, free)\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004182; font-size: 15px; margin-bottom: 6px;\"\u003e\n Searchability:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Fully text searchable for fast lookup of any topic\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f2f5f9; border-left: 4px solid #0a66c2; padding: 12px 16px; font-weight: 600; color: #004182; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #0a66c2; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Print \u0026amp; Binding\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004182; font-size: 15px; margin-bottom: 6px;\"\u003e\n Print Quality:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n High-resolution digital pages, printable at full clarity\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004182; font-size: 15px; margin-bottom: 6px;\"\u003e\n Binding Type:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A — digital download, no physical binding\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f5f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004182; font-size: 15px; margin-bottom: 6px;\"\u003e\n Paper Type:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A — digital download, no physical paper\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #4a90a4; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #4a90a4 0%, #2c5f75 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n ⚙️ Engine Specifications\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f4f7f9; border-left: 4px solid #4a90a4; padding: 12px 16px; font-weight: 600; color: #2c5f75; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #4a90a4; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Engine\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Engine Family:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Kohler Command PRO EFI, ECH series\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Configuration:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n V-twin, air-cooled, four-stroke\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Displacement:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n 674 cc (41.1 cu in)\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Bore:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - refer to the specific engine build sheet; bore and stroke are in the manual's specification tables\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Stroke:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - refer to the specific engine build sheet; bore and stroke are in the manual's specification tables\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Compression Ratio:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - not stated for this build; see specification table in the manual\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Rated Output:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n 21 HP (15.7 kW)\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Rated Speed:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n 3600 rpm governed operating speed (typical for this engine class)\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Valve Train:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Overhead valve, hydraulic lifters\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Cooling:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Forced air with flywheel fan and cylinder fins\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Lubrication:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Full pressure lubrication with spin-on oil filter\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Fuel System:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Electronic fuel injection, closed loop with oxygen sensor\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Fuel Requirement:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Unleaded gasoline, minimum octane as stated on the engine decal\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Starting:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Electric starter with 12 V battery system\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #5a7c8a; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #5a7c8a 0%, #3d5762 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 🔧 Transmission\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f5f7f8; border-left: 4px solid #5a7c8a; padding: 12px 16px; font-weight: 600; color: #3d5762; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #5a7c8a; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Drive Interface\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f5f7f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #3d5762; font-size: 15px; margin-bottom: 6px;\"\u003e\n Transmission:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Not applicable - the ECH650 is a standalone engine and does not include a transmission\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f5f7f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #3d5762; font-size: 15px; margin-bottom: 6px;\"\u003e\n Output Shaft:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Horizontal or vertical shaft configuration depending on the equipment application\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f5f7f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #3d5762; font-size: 15px; margin-bottom: 6px;\"\u003e\n Coupling:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Direct-coupled to the driven equipment via crankshaft PTO or belt drive\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f5f7f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #3d5762; font-size: 15px; margin-bottom: 6px;\"\u003e\n Clutch:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Supplied by the equipment manufacturer, not part of the engine\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f5f7f8; border-left: 4px solid #5a7c8a; padding: 12px 16px; font-weight: 600; color: #3d5762; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #5a7c8a; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Control Features\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f5f7f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #3d5762; font-size: 15px; margin-bottom: 6px;\"\u003e\n Speed Control:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Electronic throttle control integrated with the engine management system\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f5f7f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #3d5762; font-size: 15px; margin-bottom: 6px;\"\u003e\n Governor:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Electronic governing maintains governed rpm under changing load\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f5f7f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #3d5762; font-size: 15px; margin-bottom: 6px;\"\u003e\n PTO Engagement:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Controlled by the host equipment's electrical system\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #1b659d; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #1b659d 0%, #0f4471 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 📐 Dimensions\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f2f6f8; border-left: 4px solid #1b659d; padding: 12px 16px; font-weight: 600; color: #0f4471; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #1b659d; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Exterior\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0f4471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Length:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - package dimensions vary by shaft orientation and accessory fitment; see the manual's dimensional drawings\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0f4471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Width:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - package dimensions vary by shaft orientation and accessory fitment; see the manual's dimensional drawings\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0f4471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Height:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - package dimensions vary by shaft orientation and accessory fitment; see the manual's dimensional drawings\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0f4471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Wheelbase:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Not applicable - engine assembly, not a vehicle\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0f4471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Dry Weight:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n Approximately 40 kg (88 lb) class for a fully dressed V-twin of this displacement\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f2f6f8; border-left: 4px solid #1b659d; padding: 12px 16px; font-weight: 600; color: #0f4471; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #1b659d; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Capacities\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0f4471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Oil Capacity:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Approximately 1.9 L (2.0 US qt) with filter change, depending on sump style\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f2f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #0f4471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Fuel Tank:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Supplied by the host equipment, not part of the engine\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #2e5984; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #2e5984 0%, #1a3c5c 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 🛡️ Safety Features\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f8; border-left: 4px solid #2e5984; padding: 12px 16px; font-weight: 600; color: #1a3c5c; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #2e5984; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Engine Safety Systems\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a3c5c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Crash Test Ratings:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Not applicable - this is a stationary power unit, not a vehicle\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a3c5c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Low-Oil Protection:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Oil pressure or oil level shutdown provisions depending on equipment wiring\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a3c5c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Overheat Protection:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - cooling is passive air cooling; shutdown is controlled by the host equipment\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a3c5c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Overspeed Protection:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Electronic governing limits engine speed\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a3c5c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Kill Circuit:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Ignition kill and fuel cut-off circuits for shutdown\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f8; border-left: 4px solid #2e5984; padding: 12px 16px; font-weight: 600; color: #1a3c5c; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #2e5984; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Handling Precautions\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a3c5c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Fuel System:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Relieve fuel pressure before disconnecting lines; the EFI system operates under pressure\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a3c5c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Electrical:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Disconnect the battery before servicing the EFI harness or starter\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1a3c5c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Hot Surfaces:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Allow the engine to cool before working near the muffler and cylinder heads\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #3b82c4; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #3b82c4 0%, #1f4a75 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 💡 Technology Features\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f4f7f9; border-left: 4px solid #3b82c4; padding: 12px 16px; font-weight: 600; color: #1f4a75; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #3b82c4; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Engine Management\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1f4a75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Fuel Delivery:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Closed-loop electronic fuel injection with oxygen sensor feedback\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1f4a75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Throttle:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Electronic throttle control\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1f4a75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Diagnostics:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n On-board fault detection with diagnostic access for service\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1f4a75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Altitude Compensation:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n EFI automatically adjusts fueling for altitude and air density\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1f4a75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Load Compensation:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Fuel delivery adjusts to load changes without carburetor rejetting\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f4f7f9; border-left: 4px solid #3b82c4; padding: 12px 16px; font-weight: 600; color: #1f4a75; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #3b82c4; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Electrical and Instrumentation\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1f4a75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Charging System:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Flywheel alternator with regulated charging output\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1f4a75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Audio System:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Not applicable - engine assembly, no infotainment\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f4f7f9;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #1f4a75; font-size: 15px; margin-bottom: 6px;\"\u003e\n Driver Assistance:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Not applicable - engine assembly, no driver assistance systems\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #0077b5; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #0077b5 0%, #00405c 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 🔧 Maintenance\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f8; border-left: 4px solid #0077b5; padding: 12px 16px; font-weight: 600; color: #00405c; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #0077b5; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Service Intervals\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Oil Change:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Every 100 hours of operation or annually, whichever comes first\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Oil Filter:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Replace with each oil change\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Air Filter:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Inspect and clean or replace per the interval in the manual; sooner in dusty conditions\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Spark Plugs:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Inspect and replace at the interval listed in the manual\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Fuel Filter:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Replace at the interval listed in the manual\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Valve Adjustment:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - hydraulic lifters require no routine clearance adjustment\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Cooling Fins and Screen:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Clean debris from fins and screen frequently to prevent overheating\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f8; border-left: 4px solid #0077b5; padding: 12px 16px; font-weight: 600; color: #00405c; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #0077b5; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Fluid Specifications\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Engine Oil:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n SAE 10W-30 or 10W-40 API service class as specified in the manual; use viscosity suited to ambient temperature\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Oil Capacity:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Approximately 1.9 L (2.0 US qt) with filter change, depending on sump style\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Fuel:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Unleaded gasoline meeting the minimum octane on the engine decal\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Grease:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - sealed bearings and bushings per component; no general chassis lubrication\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f8; border-left: 4px solid #0077b5; padding: 12px 16px; font-weight: 600; color: #00405c; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #0077b5; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Known Issues and Wear Items\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Fuel System:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Injector fouling and fuel pressure loss from contaminated fuel; use clean fuel and replace the filter on schedule\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Electrical:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Corroded EFI harness connectors and grounds can cause intermittent faults\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Cooling:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Packed cooling fins and screens lead to overheating and power loss\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Ignition:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Spark plug fouling and coil degradation over long service hours\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Wear Items:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Air filter, oil filter, fuel filter, spark plugs, drive belts on the host equipment\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #00405c; font-size: 15px; margin-bottom: 6px;\"\u003e\n Maintenance Tip:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Follow the hour-based schedule rather than calendar time for engines run under heavy load\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #0073b1; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #0073b1 0%, #004471 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 📚 Vehicle History\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f8; border-left: 4px solid #0073b1; padding: 12px 16px; font-weight: 600; color: #004471; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #0073b1; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Brand Heritage\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Manufacturer:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Kohler Co., Kohler, Wisconsin, USA\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Engine Division:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Kohler Engines\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Reputation:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Long-standing manufacturer of air-cooled gasoline and diesel engines for commercial and residential equipment\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Engine Family:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Command PRO series, the professional\/commercial tier of Kohler's engine line\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f8; border-left: 4px solid #0073b1; padding: 12px 16px; font-weight: 600; color: #004471; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #0073b1; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Model Evolution\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Series Introduction:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Command PRO EFI introduced electronic fuel injection to the commercial V-twin lineup to improve fuel economy and altitude tolerance\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Model Placement:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n ECH650 sits in the lower-to-mid output range of the Command PRO EFI V-twin family at 21 HP\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Design Emphasis:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Durability under continuous commercial duty with reduced fueling maintenance versus carbureted versions\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f8; border-left: 4px solid #0073b1; padding: 12px 16px; font-weight: 600; color: #004471; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #0073b1; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Production\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Production Location:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Kohler, Wisconsin, USA\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Market:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Commercial turf, landscape and utility equipment worldwide\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"width: 100%; margin: 0; margin-bottom: 2px; background: white; overflow: hidden; border: 1px solid #0073b1; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;\"\u003e\n \u003cdiv style=\"background: linear-gradient(135deg, #0073b1 0%, #004471 100%); color: white; padding: 16px; text-align: center;\"\u003e\n \u003cdiv style=\"font-size: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;\"\u003e\n 🏆 Awards \u0026amp; Recognition\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"background: #f3f6f8; border-left: 4px solid #0073b1; padding: 12px 16px; font-weight: 600; color: #004471; font-size: 16px; position: relative;\"\u003e\n \u003cdiv style=\"display: inline-block; width: 6px; height: 6px; background: #0073b1; border-radius: 50%; margin-right: 8px;\"\u003e\u003c\/div\u003e\n Recognition\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Model Awards:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #666666; background: #f5f5f5; padding: 8px 12px; border-radius: 8px; border: 1px solid #d0d0d0; font-weight: 600; font-size: 14px;\"\u003e\n N\/A - no specific awards documented for the ECH650 engine model\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Industry Standing:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n Command PRO engines are widely recognized as a durable commercial-grade engine family used by major turf equipment makers\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv style=\"padding: 12px 16px; border-bottom: 1px solid #f3f6f8;\"\u003e\n \u003cdiv style=\"font-weight: 600; color: #004471; font-size: 15px; margin-bottom: 6px;\"\u003e\n Market Position:\n \u003c\/div\u003e\n \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n EFI variant adopted by OEMs to meet emissions regulations while maintaining commercial power output\n \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Kohler","offers":[{"title":"Default Title","offer_id":44022709846196,"sku":"198949","price":16.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/4746\/1044\/files\/198949-kohler-command-pro-efi-model-ech650-21hp-engine-full-service-and-repair-manual-pdf-download.jpg?v=1756363780","url":"https:\/\/emanual.com\/pl\/products\/kohler-command-pro-efi-model-ech650-21hp-engine-service-repair-manual","provider":"eManual Online Vehicle Workshop Repair Manuals","version":"1.0","type":"link"}