Target Audience:
Do-It-Yourself (DIY) motorcycle owners, independent repair shops, and KTM enthusiasts seeking in-depth engine maintenance knowledge.
Value Proposition:
Empowers users to perform their own engine repairs and maintenance, saving costs and enhancing vehicle longevity. Features high-quality diagrams and easy-to-follow instructions for all skill levels.
Segment:
Large-displacement adventure touring and sport-touring motorcycles, competing with brands like BMW (R series GS), Ducati (Multistrada), and Triumph (Tiger).
Models Covered:
KTM 950 Adventure, KTM 990 Adventure, KTM 990 Super Duke, KTM 950 Supermoto, KTM 950 Super Enduro
Years Covered:
2003, 2004, 2005, 2006, 2007, 2008
Manual Type:
Engine Service Repair Manual
Compatibility:
All Versions of Windows & Mac
Software Requirement:
Adobe PDF Reader
Page Count:
Not specified in provided information, but typically comprehensive for engine service manuals.
Systems:
Engine, Electrical Systems, Fuel System, Lubrication System, Cooling System
Electrical Systems:
Wiring diagrams, starter system, charging system, ignition system, lighting, instrumentation.
Fuel System:
Fuel pump, injectors, fuel pressure regulator, throttle bodies, fuel filter replacement.
Procedures:
Engine Removal and Refitting, Engine Disassembly, Component Servicing, Engine Reassembly, Troubleshooting, Periodic Maintenance
Troubleshooting:
Diagnostic procedures for common engine and electrical faults, including fault codes if applicable.
Depth:
Detailed engine diagnostics, repair, and overhaul procedures, including high-quality diagrams and step-by-step instructions.
Rebuild Procedures:
Comprehensive instructions for engine disassembly, component inspection, machining specifications, and reassembly of all internal engine parts.
Specifications Data:
Includes torque values, clearances, fluid capacities, electrical resistance values, and dimensional specifications for all engine components.
Engine Type:
LC8 V-Twin (Liquid-Cooled, 4-Stroke)
Bore X Stroke:
950: 98 x 63.6 mm; 990: 101 x 62.4 mm
Horsepower Range:
Approx. 98-115 HP (depending on model and year)
Torque Range:
Approx. 95-100 Nm (depending on model and year)
Fuel Delivery:
Fuel Injection (EFI) with Dual Throttle Bodies
Valve Train:
DOHC, 4 Valves per Cylinder
Clutch Type:
Wet Multi-Plate Clutch (Hydraulically Actuated)
Ignition System:
Electronic Ignition
Exhaust System:
Dual Exhaust (configuration varies by model)
Pistons:
Forged Aluminum Pistons
Crankshaft:
Cross-plane Crankshaft Design (shared crankpins)
Camshafts:
Chain-driven, driven by central crankshaft.
Oil Type Recommendation:
Full Synthetic Motorcycle Oil (API SG or higher, JASO MA/MA2 compliant, viscosity typically 10W-40 or 15W-50, consult manual for exact specification)
Oil Capacity:
Refer to specific model section in manual (typically around 2.5-3.0 liters with filter change)
Cooling System Type:
Liquid-Cooled
Coolant Type:
Ethylene Glycol Based Coolant (typically with anti-corrosion additives, consult manual for specific mix ratio and type)
Oil And Filter Change Interval:
Typically 5,000 km or annually (refer to specific model year in manual for precise intervals)
Valve Clearance Check Interval:
Often around 10,000-15,000 km, but critical to verify in manual
Spark Plug Replacement Interval:
Refer to manual, typically 10,000-20,000 km depending on plug type
Brake Fluid Type:
DOT 4 or DOT 5.1 (refer to manual for specific recommendation and bleed procedures)
Coolant Specifications:
Mixture of distilled water and appropriate anti-freeze/anti-corrosion coolant (e.g., Motorex Coolant M3.0, or equivalent, consult manual for specific type and ratio)
Fork Oil Type:
Refer to manual for specific viscosity (e.g., WP Suspension Fluid, SAE 5W or 7.5W)
Common Wear Items:
Fuel pump components, water pump seals, clutch slave cylinder seals, regulator/rectifier (depending on year/batch).
Engine Performance Notes:
Early models may have benefited from ECU re-mapping or performance exhaust upgrades for optimal power delivery.
Schedule Coverage:
Includes details for periodic inspections, lubrication, filter changes, fluid flushes, and component checks at specified mileage or time intervals.
Tune Up Procedures:
Covers engine tuning aspects, including idle speed adjustment, throttle body synchronization, and fuel mapping considerations (where applicable).
Brand Focus:
KTM is renowned for its off-road racing heritage, translating to robust and performance-oriented motorcycle designs.
Lc8 Engine Introduction:
The LC8 V-Twin engine debuted in the 950 Adventure in 2003, establishing KTM's presence in the large-displacement adventure and street motorcycle segments.
Manufacturing Location:
Austria (KTM Sportmotorcycle AG)
