{"product_id":"stihl-4180-engine-basis","title":"stihl basis motor 4180","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            Stihl\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            Product Type:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Basic engine (Basis-Motor) for handheld power 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            Model:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            4180\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            4180 series basic 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            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            Refer to the service manual for the specific edition and model-year coverage\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            Documented In:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Stihl Basis Motor 4180 service and repair manual (PDF download)\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        Overview\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            Market Position:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Stihl basic engines are intended for OEM and service applications where a compact, durable two-stroke power unit drives handheld 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            Target Audience:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Stihl service technicians, small-engine repair shops, and experienced DIY owners performing teardown, repair, and rebuild work.\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            Factory-derived procedures, torque values, and tolerance data specific to the 4180 engine rather than generic small-engine guidance.\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 Features:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Compact single-cylinder two-stroke design, simple modular assembly, widely serviceable ignition and fuel components.\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        Publication\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            Downloadable service and repair 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            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\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 Method:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Instant download after purchase\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 unless otherwise stated on the product page\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: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            See the product listing for the exact page count of this edition\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            Covered Subject:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Stihl Basis Motor 4180\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            Scope:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Disassembly, inspection, repair, reassembly, and adjustment procedures\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 service and qualified DIY maintenance\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, piston, rings, connecting rod, crankshaft, and crankcase service\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            Cylinder and Piston:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Inspection, measurement, and wear limits\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            Crankcase and Seals:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Split and reassembly with seal replacement\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            Coil, flywheel, air gap, and spark testing\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            Carburetor service, fuel lines, fuel filter, and tank components\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            Air Intake:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Air filter service and intake path inspection\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:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Fuel-oil mixture requirements for two-stroke operation\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            Rewind Starter:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Rope, spring, and pawl service\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            Clutch and Drive:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Clutch drum, springs, and drive coupling where applicable\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:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Muffler and spark arrestor service\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            Fasteners and Torque:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Tightening sequences and torque values\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            Diagnostics:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Fault tracing and compression testing steps\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:\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 with component identification\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            Cleaning 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 cleaning and condition assessment\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:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Tolerance checks for piston, cylinder, and bearings\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            Reassembly:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Assembly order with lubrication and sealing notes\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            Adjustments:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Carburetor adjustment and ignition setting\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            Testing:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Run-up and functional checks after repair\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 and Parts\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            Technical Depth:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Factory-level specifications, wear limits, and torque data for professional repair\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            Illustrations:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Exploded views and component identification figures\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            Parts Information:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Component identification and part callouts to support 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            Specification Tables:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Consolidated reference tables for clearances and settings\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            Applicability:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Applies to the Stihl Basis Motor 4180 and equipment using this 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 #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 Type:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Single-cylinder two-stroke petrol engine\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            Model Designation:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Stihl Basis Motor 4180\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            Engine Options Range:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            4180 basic engine 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            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 cooling\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            Carburetor with fuel-oil premix lubrication\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            Ignition:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Magneto ignition\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            Performance Output:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            N\/A - refer to the manual and equipment-specific documentation for rated 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: #2c5f75; font-size: 15px; margin-bottom: 6px;\"\u003e\n            Displacement:\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 - confirm from the service manual for the exact variant\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\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            Standard Transmission:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Direct drive to the attached implement via centrifugal clutch\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            Optional Transmission:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            N\/A - no optional gearbox offered for the basic engine\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 Type:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Centrifugal clutch\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            Features:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Engine speed governs clutch engagement and drive output to the tool\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            Gear Ratios:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            N\/A - determined by the attached equipment, not the basic 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 #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 and Weight\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            N\/A - the 4180 is an engine unit, 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            Length:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            N\/A - see the manual for engine unit dimensions\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 and Height:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            N\/A - see the manual for engine unit dimensions\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            Curb Weight:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            N\/A - the 4180 is an engine unit, not a vehicle\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        Safety\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            N\/A - not applicable to an engine unit\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            Active Features:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            N\/A - safety systems reside in the complete piece of 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            Passive Features:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            N\/A - operator protection is provided 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            Engine Safeguards:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Refer to the service manual for engine-specific shutoff, cooling, and guarding requirements\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 Technology\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            Ignition Technology:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Magneto ignition with fixed air gap setting\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            Fuel Metering:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Carburetor with adjustable mixture settings\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            Infotainment:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            N\/A - not applicable to an engine unit\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            N\/A - not applicable to an engine unit\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\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            Service Intervals:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Follow the maintenance schedule in the service manual for 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            Fluid Specifications:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Two-stroke fuel-oil mixture; use the ratio and oil grade specified 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 System Care:\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 fuel filter and lines as scheduled\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            Clean or replace at the intervals stated 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            Spark Plug:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Check gap and condition at scheduled service and replace as needed\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            Common Wear Items:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Piston ring, spark plug, air and fuel filters, fuel lines, and starter rope\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        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            Andreas Stihl AG \u0026amp; Co. KG, Germany\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            Brand Heritage:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Stihl is a long-established manufacturer of handheld power equipment and small 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            Model Evolution:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            The 4180 basic engine serves as a power unit across Stihl and OEM applications\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 Location:\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 - confirm the manufacturing origin from the specific unit and manual edition\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: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            N\/A - no model-specific awards documented for this engine unit\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            Brand Recognition:\n        \u003c\/div\u003e\n        \u003cdiv style=\"color: #4a5568; line-height: 1.6; word-wrap: break-word; font-size: 14px;\"\u003e\n            Stihl is widely recognized for durable handheld power equipment and two-stroke engine design\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Stihl","offers":[{"title":"Default Title","offer_id":44014214578356,"sku":"59322","price":16.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/4746\/1044\/files\/59322-stihl-basis-motor-4180.jpg?v=1755689816","url":"https:\/\/emanual.com\/ru\/products\/stihl-4180-engine-basis","provider":"eManual Online Vehicle Workshop Repair Manuals","version":"1.0","type":"link"}