Positioning:
The KTM 990 Super Duke 2004 was positioned as a high-performance, naked sportbike known for its aggressive styling, powerful engine, and agile handling. It competed in the super-naked segment against rivals like Ducati Monster and Triumph Speed Triple.
Key Competitors:
Ducati Monster S4R, Triumph Speed Triple, Aprilia Tuono RSV 1000 R.
Features:
Dominant LC8 V-Twin engine, minimalist design, advanced WP suspension, powerful Brembo brakes, rider-focused ergonomics.
Engine:
Engine disassembly, assembly, tuning, lubrication, cooling system, fuel injection system, ignition system, emission control system.
Transmission:
Clutch operation, gearbox, shift mechanism, lubrication.
Chassis:
Frame, swingarm, rear suspension (monoshock), front suspension (upside-down forks), steering system.
Brakes:
Front and rear brake systems (dual disc front, single disc rear), hydraulic components, bleeding procedures, pad replacement.
Electrical:
Wiring diagrams, battery, charging system, lighting, ignition, starter motor, instrument panel, sensors, ECU.
Bodywork:
Fairings, fuel tank, seat, fenders, exhaust system.
Maintenance:
Regular scheduled maintenance, oil changes, filter replacements, chain adjustment, spark plug replacement, brake fluid flush, coolant service.
Repair:
Detailed step-by-step repair instructions for all major and minor components, component overhaul procedures.
Troubleshooting:
Diagnostic flowcharts and procedures for identifying and resolving common issues and malfunctions.
Depth:
Comprehensive: Covers everything from basic user maintenance to complete engine rebuilds and complex electrical diagnostics. Designed for professional technicians, indicating a high level of detail.
Configuration:
V-Twin, 4-stroke, Liquid-cooled
Displacement:
999 cc (61.0 cu in)
Bore X Stroke:
98 mm x 66 mm (3.86 x 2.60 in)
Compression Ratio:
12.5:1
Horsepower:
Approx. 120-125 hp (90-93 kW) at 9000 rpm
Torque:
Approx. 99-100 Nm (73-74 lb-ft) at 7000 rpm
Induction:
Fuel Injection (Multi-point)
Fuel Type:
Unleaded Premium (95 RON recommended)
Oil Type:
Fully synthetic motorcycle oil, e.g., Motorex Power Synth 4T SAE 10W/50 or equivalent.
Coolant Type:
Ethylene glycol-based antifreeze mixture, e.g., Motorex Coolant M3.0 or equivalent.
Length:
Approx. 2110 mm (83.1 in)
Width:
Approx. 840 mm (33.1 in) (excluding mirrors)
Height:
Approx. 1130 mm (44.5 in) (to handlebar grips)
Seat Height:
Approx. 850 mm (33.5 in)
Dry Weight:
Approx. 183 kg (403.4 lbs)
Wet Weight:
Approx. 205 kg (452 lbs) (fully fueled)
Maximum Load:
Approx. 200 kg (441 lbs)
Storage:
Minimal, typically no integrated cargo storage on naked bikes of this era.
Crash Test Results:
N/A (Motorcycles are not typically rated by NHTSA or Euro NCAP in the same way as cars)
Braking System:
Dual 320mm front discs with Brembo 4-piston radial calipers, Single 240mm rear disc with Brembo 2-piston caliper.
Suspension:
WP 48mm USD front forks (fully adjustable), WP monoshock rear suspension (fully adjustable).
Lighting:
Halogen headlight, LED taillight, turn signals.
Ergonomics:
Aggressive but upright riding position for control and rider engagement.
System:
Basic instrumentation: Analog tachometer, digital speedometer, odometer, trip meters, engine temperature gauge, clock. No infotainment system in the modern sense.
Features:
No electronic rider aids like ABS or traction control standard on this early model. Focus is on mechanical feedback and rider input.
Oil Change Interval:
Typically every 5,000-7,500 km (3,000-4,500 miles) or annually, whichever comes first (refer to manual for exact recommendation).
Major Service Interval:
Major engine inspection, valve clearance check, spark plug replacement usually around 15,000-20,000 km (9,000-12,500 miles).
Brake Fluid:
DOT 4 or DOT 5.1
Coolant Capacity:
Approx. 2.2 liters (refer to manual for precise capacity)
Common Problems:
Early models may have had minor issues with the fuel pump or voltage regulator. Some owners reported a snatchy throttle response at low RPMs, often addressed with ECU remapping or tuning. Check for any recalls or service bulletins specific to the 2004 model.
Maintenance Points:
Regular chain lubrication and adjustment, checking coolant levels, inspecting brake pads, verifying tire pressures are critical for longevity and performance.
Heritage:
KTM, founded in Austria in 1934, has a strong heritage in off-road and racing motorcycles, known for its 'Ready to Race' philosophy.
Evolution:
The 990 Super Duke represented KTM's entry and significant impact on the super-naked motorcycle segment, building on the success of the smaller 640 Duke. It was an evolution of their LC8 V-twin engine platform, initially developed for adventure bikes.
Production Years:
2004-2007 for the first generation 990 Super Duke. The platform evolved into the 990 Super Duke R.
Manufacturing Location:
Austria
