Positioning:
The KTM 950/990 series (LC8 V-twin platform) occupied a niche in the adventure and supermoto segments, known for performance, off-road capability (for Adventure models), and aggressive styling.
Competitors 950 990 Adv:
BMW R1200GS, Triumph Tiger, Yamaha Super Tenere, Honda Africa Twin, Suzuki V-Strom.
Competitors 990 Super Duke:
Ducati Monster, Triumph Speed Triple, Yamaha MT-09/MT-10, Aprilia Tuono.
Lc8 Engine:
High-performance 75-degree V-twin engine, known for torque and character.
Wp Suspension:
Premium WP suspension components offering excellent adjustability and performance.
Off Road Bias Adv:
Long travel suspension, spoked wheels (often), and rider ergonomics suitable for adventure touring and light off-roading.
Completeness:
Promises 'everything you need to service your KTM', indicating a high degree of comprehensiveness for DIY and professional mechanics.
Technical Accuracy:
Derived from official KTM documentation, ensuring accuracy in specifications, procedures, and part identification.
Primary Coverage:
Complete service, repair, and maintenance for KTM 950 and 990 series motorcycles.
Secondary Coverage:
Includes diagnostic procedures, electrical systems, troubleshooting, and component overhauls.
Estimated Page Count:
Approximately 800-1200 pages (highly variable based on specific edition and included appendices/supplements).
Type:
Comprehensive Technical Service Manual / Repair Manual.
Language:
English (typically). May also be available in other languages depending on the specific publication.
Format:
Digital (PDF) is common. Printed versions also exist.
Engine Mechanical:
Detailed disassembly, inspection, reassembly of engine components including crankshaft, pistons, cylinders, valves, camshafts, timing.
Engine Management:
Fuel injection system (EFI), ignition system, sensors (TPS, MAP, IAT, ECT, O2), ECU diagnostics, EFI tuning basics.
Transmission:
Clutch assembly (hydraulic actuation), gearbox internal inspection and repair, shift mechanism, final drive (chain and sprockets).
Fuel System:
Fuel pump, fuel filters, fuel injectors, throttle bodies, fuel tank maintenance.
Cooling System:
Radiator, coolant hoses, water pump, thermostat, fan operation, coolant type and capacity.
Exhaust System:
Catalytic converters, mufflers, exhaust header pipes, lambda sensors (O2 sensors).
Electrical System:
Wiring diagrams, starter motor, alternator, battery, lighting (headlight, taillight, indicators), fuses, relays, ignition switch.
Braking System:
Front and rear brake calipers, master cylinders, brake lines, brake fluid specifications, ABS (if equipped) troubleshooting.
Suspension:
Front forks (WP USD), rear monoshock (WP), preload, compression, rebound adjustment, oil types and capacities.
Chassis And Frame:
Frame integrity, steering head bearings, swingarm, rear linkage (if applicable).
Wheels And Tires:
Wheel bearing inspection and replacement, spoke tensioning (for spoked wheels), tire pressure recommendations, wheel balancing.
Bodywork And Plastics:
Fairing removal and installation, seat, fuel tank cover, fender components.
Routine Maintenance:
Oil changes, filter replacements (oil, air), spark plug replacement, chain adjustment and lubrication, brake fluid flush.
Diagnostic Troubleshooting:
Step-by-step guides for identifying and resolving common and uncommon issues, using diagnostic tools where applicable.
Engine Rebuild:
Comprehensive instructions for complete engine teardown, inspection, component replacement, and reassembly.
Suspension Service:
Fork seal replacement, fork oil changes, shock absorber service and adjustments.
Electrical Troubleshooting:
Locating shorts, open circuits, diagnosing sensor failures, using wiring diagrams for fault finding.
Efi Calibration And Tuning:
Basic guidelines for adjusting fuel mixture and ignition timing, although advanced tuning often requires specialized software.
ABS System Maintenance:
Troubleshooting ABS faults, sensor checks, bleed procedures (if applicable).
Depth:
Expert level. Covers everything from basic user maintenance to complete engine and gearbox overhauls, and complex electrical diagnostics.
Diagnostic Tools:
Mentions diagnostic connectors and basic diagnostic procedures, often referring to dealer-level tools for advanced EFI diagnostics.
Engine Type:
4-stroke, V-twin, liquid-cooled, DOHC, 8 valves per cylinder (LC8)
Displacement 950:
942 cc (94 x 68 mm bore x stroke)
Displacement 990:
999 cc (101 x 62.4 mm bore x stroke)
Horsepower 950 Adv:
Approx. 98 HP @ 8000 RPM
Torque 950 Adv:
Approx. 98 Nm (72 lb-ft) @ 6500 RPM
Horsepower 990 Adv:
Approx. 115 HP @ 9000 RPM
Torque 990 Adv:
Approx. 100 Nm (74 lb-ft) @ 7000 RPM
Horsepower 990 Super Duke:
Approx. 120-130 HP @ 9000 RPM
Torque 990 Super Duke:
Approx. 100 Nm (74 lb-ft) @ 7000 RPM
Fuel Delivery:
Fuel Injection (EFI) with dual throttle bodies.
Fuel Type:
Unleaded gasoline, 95 RON (91 AKI) or higher recommended.
Ignition System:
Digital ignition with dual spark plugs per cylinder.
Oil Type:
Fully synthetic motorcycle oil, SAE 10W-50 or 15W-50, meeting JASO MA/MA2 specifications. (e.g., Motorex Power Synt 4T 10W-50)
Oil Capacity W Filter:
Approx. 3.0 - 3.5 Liters (depending on model and filter).
Length Adv:
Approx. 2250 mm (950/990 Adventure).
Width Adv:
Approx. 900 mm (950/990 Adventure, excluding mirrors).
Height Adv:
Approx. 1450 mm (950/990 Adventure, screen height).
Seat Height Adv:
Adjustable, approx. 860 mm - 880 mm (950/990 Adventure).
Dry Weight 950 Adv:
Approx. 200-210 kg (441-463 lbs).
Wet Weight 950 Adv:
Approx. 230-240 kg (507-529 lbs).
Dry Weight 990 Adv:
Approx. 205-215 kg (452-474 lbs).
Wet Weight 990 Adv:
Approx. 235-245 kg (518-540 lbs).
Dry Weight 990 Super Duke:
Approx. 182 kg (401 lbs).
Wet Weight 990 Super Duke:
Approx. 200 kg (441 lbs).
Fuel Capacity Adv:
22 Liters (5.8 US gal).
Fuel Capacity 990 Sd:
15 Liters (4.0 US gal).
Oil Change Interval:
Typically every 7,500 km (4,600 miles) or annually, whichever comes first. Check manual for exact specifications.
Air Filter Check:
Inspect every 7,500 km (4,600 miles), replace as needed or every 15,000 km (9,200 miles).
Spark Plug Replacement:
Typically every 15,000 km (9,200 miles) or as recommended by the manual for the specific spark plug type.
Valve Clearance Check:
Critical check usually at 15,000 km (9,200 miles) or 30,000 km (18,000 miles) intervals, depending on the model year and specific recommendation.
Brake Fluid Flush:
Recommend every 2 years to maintain braking performance and prevent corrosion.
Chain Maintenance:
Clean and lubricate chain every 1,000 km (600 miles) and adjust tension as needed.
Coolant Type:
Ethylene glycol based coolant, 50% mixture with distilled water. Anti-corrosion and anti-freeze properties. (e.g., Motorex Coolant M3.0).
Brake Fluid Type:
DOT 4 or DOT 5.1 recommended for optimal performance and compatibility.
Fork Oil Type:
WP recommends specific viscosity oils, often around SAE 5W or 7.5W, depending on the model and desired damping characteristics. Check manual for exact type and capacity.
Water Pump Seals:
Early models could experience water pump seal leaks. Regular inspection is advised.
Starter Clutch:
Some models may exhibit starter clutch wear or noise. The manual would detail inspection and replacement procedures.
Fuel Pump Reliability:
Occasional reports of fuel pump issues, particularly with aged units. The manual covers its testing and replacement.
Rear Shock Bushings:
Wear on rear shock linkage bushings can occur with high mileage, affecting handling. Manual would cover inspection and replacement.
Ktm Heritage:
KTM, founded in Austria in 1934, has a rich history in off-road motorsports, particularly motocross and rally raid (Dakar).
Lc8 Introduction:
The LC8 V-twin engine platform debuted with the 950 Adventure in 2003, revolutionizing KTM's presence in the large-displacement adventure market.
Model Expansion:
The platform was expanded to include the 950 Super Enduro, 950 Supermoto, and subsequently the 990 Adventure, 990 Super Duke, and 990 SMR/SMT variants, showcasing versatility.
Major Updates:
The transition from 950 to 990 saw increases in displacement, fuel injection adoption, and chassis refinements. Later 990 models received updates like revised suspension, electronics, and styling.
Production Years:
950 models: approx. 2003-2006. 990 models: approx. 2006-2013.
Manufacturing Location:
Austria (primarily).
