Market Segment:
        
        
            High-performance naked sportbike / supermoto segment.
        
     
    
    
        
            Key Competitors:
        
        
            Ducati Monster series, Aprilia Tuono V4, Triumph Speed Triple, Yamaha FZ1.
        
     
    
    
        
            Performance Focus:
        
        
            Emphasizes raw power, agile handling, and aggressive styling.
        
     
    
        
            Design Philosophy:
        
        
            'Ready to Race' ethos, Austrian engineering with a focus on rider engagement.
        
     
    
    
        
            Rider Profile:
        
        
            Experienced riders seeking a visceral, powerful, and track-capable street motorcycle.
        
     
 
    
    
    
        
            Systems Covered:
        
        
            Operation, Safety, Maintenance, Specifications, Troubleshooting, Accessories, Riding Techniques, Legal Information
        
     
    
    
        
            Page Count:
        
        
            Approximately 100-150 pages (estimated based on typical owner's manuals of this era)
        
     
    
    
        
            Manual Type:
        
        
            Owner's Manual
        
     
    
    
        
            Language:
        
        
            English (standard for this model's primary market)
        
     
    
    
        
            Format:
        
        
            Printed Booklet (original), likely available as PDF
        
     
 
    
    
    
        
            Engine Operation:
        
        
            Engine start/stop, warm-up procedures, engine break-in recommendations, general engine performance characteristics.
        
     
    
        
            Fuel System:
        
        
            Fuel requirements, fuel handling and safety, fuel tank capacity, fuel pump operation (overview).
        
     
    
        
            Cooling System:
        
        
            Coolant type, coolant level checks, radiator operation principles, fan operation.
        
     
    
        
            Lubrication System:
        
        
            Engine oil type and specifications, oil level checks, oil change intervals (general recommendations).
        
     
    
        
            Ignition System:
        
        
            Spark plug specifications, ignition timing (overview), basic troubleshooting related to ignition.
        
     
    
        
            Electrical System:
        
        
            Battery specifications and maintenance, fuse box layout and identification, lighting system operation, instrument panel indicators and their meaning, horn operation.
        
     
    
        
            Transmission Operation:
        
        
            Gear selection, clutch operation, transmission fluid type (if applicable for maintenance checks, though often sealed).
        
     
    
        
            Chassis And Suspension:
        
        
            Front fork operation and adjustment (pre-load, compression, rebound for R model), rear shock absorber operation and adjustment, wheel and tire information (sizes, pressures), brake system overview and usage.
        
     
    
        
            Braking System:
        
        
            Brake fluid type and level checks, brake lever and pedal adjustment (if applicable), proper braking techniques.
        
     
    
        
            Controls And Instruments:
        
        
            Handlebar controls, foot controls, instrument cluster explanation (speedometer, tachometer, fuel gauge, warning lights), dashboard functions.
        
     
    
        
            Safety Features:
        
        
            Riding safety guidelines, protective gear recommendations, general safety precautions.
        
     
    
    
        
            Pre Ride Inspection:
        
        
            Checklist for ensuring the motorcycle is safe and ready to ride, including tires, brakes, fluids, and controls.
        
     
    
        
            Basic Maintenance:
        
        
            Chain lubrication and adjustment, checking and topping up fluid levels (coolant, brake fluid), tire pressure checks, air filter inspection/cleaning (general guidelines).
        
     
    
        
            Troubleshooting Basic:
        
        
            Guidance on identifying and addressing common issues like starting problems, engine running issues (based on dashboard indicators).
        
     
    
        
            Cleaning And Storage:
        
        
            Recommendations for washing, polishing, and long-term storage of the motorcycle.
        
     
    
        
            Accessory Installation Guidelines:
        
        
            General advice on installing approved KTM accessories and ensuring proper integration with the motorcycle's systems.
        
     
    
    
        
            Depth:
        
        
            Comprehensive coverage for the owner on understanding and maintaining their motorcycle. Focuses on day-to-day operation, user-level checks, and basic care. Does not delve into detailed engine disassembly, transmission rebuilds, or advanced electronic diagnostics which are typically found in service or workshop manuals.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Liquid-cooled, 8-valve, DOHC V-twin
        
     
    
        
            Displacement:
        
        
            999 cc (999 cm³)
        
     
    
        
            Bore X Stroke:
        
        
            98 mm x 66 mm
        
     
    
        
            Compression Ratio:
        
        
            11.5:1 (typical for this engine generation)
        
     
    
    
        
            Horsepower:
        
        
            Approximately 115 HP @ 9,000 RPM (Super Duke), 125 HP @ 9,500 RPM (Super Duke R)
        
     
    
        
            Torque:
        
        
            Approximately 98 Nm (72 lb-ft) @ 7,000 RPM (Super Duke), 100 Nm (74 lb-ft) @ 7,000 RPM (Super Duke R)
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (EFI) with dual throttle bodies per cylinder, multi-point injection.
        
     
    
        
            Fuel Type:
        
        
            Unleaded premium gasoline, minimum 95 octane (RON)
        
     
    
    
        
            Cooling Type:
        
        
            Liquid Cooling
        
     
    
    
        
            Oil Type:
        
        
            SAE 10W/50 or 15W/50, JASO MA certified synthetic or semi-synthetic motorcycle oil.
        
     
    
    
        
            Engine Code Prefix:
        
        
            LC8 (KTM's V-twin engine family)
        
     
 
    
    
    
        
            Wheelbase:
        
        
            Approximately 1450 mm (57.1 inches)
        
     
    
        
            Seat Height:
        
        
            Approximately 850 mm (33.5 inches) for Super Duke, 870 mm (34.3 inches) for Super Duke R
        
     
    
        
            Ground Clearance:
        
        
            Approximately 160 mm (6.3 inches)
        
     
    
    
        
            Dry Weight:
        
        
            Approximately 183 kg (403 lbs) for Super Duke, 181 kg (399 lbs) for Super Duke R (claimed dry weight)
        
     
    
        
            Fuel Tank Capacity:
        
        
            15 Liters (3.96 US gallons)
        
     
    
    
        
            Front Tire Size:
        
        
            120/70 ZR17
        
     
    
        
            Rear Tire Size:
        
        
            180/55 ZR17
        
     
 
    
    
    
        
            Safety Ratings:
        
        
            Motorcycle safety is primarily based on rider skill and adherence to safety guidelines. No formal NCAP or equivalent ratings apply.
        
     
    
    
        
            Braking System:
        
        
            Dual 320 mm disc front brakes with 4-piston radial calipers, Single 240 mm disc rear brake with 2-piston caliper. ABS was an option or standard depending on market for later models, but less common for early 2008 models. *Manual will detail proper usage.*
        
     
    
    
        
            Frame Construction:
        
        
            Chromium-Molybdenum steel trellis frame, known for rigidity and strength.
        
     
    
        
            Ergonomics:
        
        
            Aggressive riding position. Manual will advise on safe posture and control inputs.
        
     
 
    
    
    
        
            Oil Change:
        
        
            Every 5,000 km or 6 months, whichever comes first (typical for this model). *Manual will specify exact interval.*
        
     
    
        
            Air Filter Cleaning:
        
        
            Inspect every 5,000 km, clean/replace as needed. More frequent in dusty conditions.
        
     
    
        
            Spark Plug Replacement:
        
        
            Typically around 10,000-15,000 km (dependent on spark plug type). *Manual will detail replacement.*
        
     
    
        
            Chain Maintenance:
        
        
            Lubricate every 500-1000 km and after riding in rain or washing. Adjust slack as needed.
        
     
    
    
        
            Coolant Type:
        
        
            Ethylene glycol based coolant, mix 50/50 with distilled water. KTM recommends specific coolant (e.g., MOTOREX Coolant M3.0).
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 4 brake fluid
        
     
    
    
        
            Fuel Pump Reliability:
        
        
            Some early models experienced occasional fuel pump issues. *Manual may offer basic troubleshooting tips.*
        
     
    
        
            Voltage Regulator:
        
        
            The LC8 platform has been known to have voltage regulator issues over time, leading to charging problems. *Manual will not detail this complex repair.*
        
     
    
        
            Clutch Slave Cylinder:
        
        
            Potential for leaks or failure, though often addressable with aftermarket parts.
        
     
 
    
    
    
        
            Brand Focus:
        
        
            KTM is renowned for its off-road heritage, transitioning aggressively into street motorcycles with a focus on performance and rider engagement.
        
     
    
    
        
            990 Super Duke Lineage:
        
        
            The 990 Super Duke and its 'R' variant represent the evolution of KTM's large-displacement V-twin naked bikes, building upon the Duke series. The 'R' model typically features higher-spec suspension, brakes, and engine tuning for enhanced performance.
        
     
    
    
        
            Manufacturing Location:
        
        
            Austria (KTM's primary manufacturing base)
        
     
    
        
            Production Years:
        
        
            The 990 Super Duke was produced from 2005 to 2013. The 'R' variant was introduced as a higher-performance option during this period.