Target Audience:
KTM 640 LC4 Adventure-R and Duke owners, independent repair shops, DIY enthusiasts
Manual Advantage:
Provides factory-level information, often more comprehensive than aftermarket alternatives, available digitally for immediate access and convenience
Content Quality:
Professional quality, highly detailed, written by manufacturers (KTM)
Usability:
Easy-to-follow directions, step-by-step procedures, clear diagrams and illustrations, numbered table of contents
Covered Models:
KTM 640 LC4 Adventure-R, KTM 640 LC4 Duke (All Variants)
Covered Years:
1998, 1999, 2000, 2001, 2002, 2003
Engine Variants:
Covers all engine types and configurations for the 640 LC4 platform in these years.
Trim Levels:
Adventure-R and Duke trim levels covered, detailing differences where applicable.
Transmission Types:
Covers all transmission types offered for the 640 LC4 during the 1998-2003 model years.
Estimated Pages:
Hundreds (Specific count not provided, but described as comprehensive)
Type:
Workshop Repair Service Manual
Primary Language:
English
Digital Format:
PDF Download
Engine:
Top End, Lubrication System, Fuel System, Cooling System
Drivetrain:
Clutch, Crankshaft, Transmission, Final Drive
Chassis:
Wheels/Tires, Brakes, Suspension, Steering, Frame
Electrical:
Complete Electrical System, Wiring Diagrams
General Info:
Includes general information, specifications, and torque values.
Appendix:
Includes an appendix with supplementary information.
Maintenance:
Scheduled Maintenance, Fluid Changes, Filter Replacements, Adjustments
Repair:
Disassembly, Assembly, Cleaning, Reinstallation, Component Repair
Troubleshooting:
Diagnostic Procedures, Problem Solving, Electrical Troubleshooting
Engine Rebuild:
Complete engine disassembly, inspection, and reassembly procedures.
Electrical Diagnostics:
Detailed troubleshooting for electrical system faults, including wiring diagrams and component testing.
Level Of Detail:
Professional Technician Level, Including Detailed Diagrams and Substeps
Coverage Scope:
All Models, Engines, Trim, and Transmission Types within the specified years
Specifications:
Includes critical specifications, tolerances, and torque values for all components.
Illustrations:
Abundant diagrams, drawings, and photos to illustrate repair procedures.
Engine Type:
LC4 Single-Cylinder, Four-Stroke
Engine Displacement:
Typically 625cc or 653cc (specifics vary by sub-model and year, manual covers all)
Horsepower:
Approx. 50-54 HP (Varies by model and year, detailed specs in manual)
Torque:
Approx. 55-60 Nm (Varies by model and year, detailed specs in manual)
Fuel Delivery:
Carburetor (Mikuni BST/TM series typically), Fuel Injection on later models (covered in manual)
Fuel Type:
Unleaded Gasoline (Octane rating specified in manual)
Overall Length:
Varies by model (Adventure-R typically longer for touring) - detailed specs in manual
Seat Height:
Varies by model, generally tall for adventure riding - detailed specs in manual
Dry Weight:
Approx. 150-165 kg (Varies by model) - detailed specs in manual
Wet Weight:
Approx. 170-190 kg (Varies by model) - detailed specs in manual
Crash Test Results:
N/A (Motorcycle, not subject to standardized automotive crash testing)
Braking System:
Hydraulic Disc Brakes (Front and Rear, specifications in manual)
Suspension Type:
Telescopic Forks (Front), Monoshock (Rear) - adjustable on Adventure-R
Lighting:
Halogen Headlight, LED Tail Light (typical)
Dashboard:
Analog Tachometer, Speedometer, Odometer, Trip Meter, Basic Warning Lights
ABS:
Not standard on most models within this range, ABS may have been an option on specific later versions (check manual)
Usb Charging:
Not standard, aftermarket accessory often installed
Oil Change Interval:
Typically every 5,000-10,000 km or annually (refer to manual for specific recommendation)
Valve Clearance Check:
Typically every 10,000-20,000 km (detailed procedure in manual)
Engine Oil Type:
API SG/SH or higher, SAE 10W-40 or 15W-50 motorcycle specific oil (check manual for precise viscosity and spec)
Engine Oil Capacity:
Approx. 1.5-1.8 Liters (Dry fill, consult manual for exact capacity)
Coolant Type:
Ethylene Glycol based coolant (50/50 mix with distilled water), KTM specific recommended (check manual)
Brake Fluid Type:
DOT 4 (Front and Rear, check manual for confirmation)
Common Wear Items:
Clutch wear, water pump seal, carburetors requiring cleaning/rebuild, vibration damping (handlebar mounts)
Electrical Quirks:
Battery charging system issues, starter motor issues (potential) - manual provides diagnostic steps
