2000-2005 KTM 250-525 EXC SX MXC Racing Motorcycle Service Manual

2000–2005 KTM 250–525 Racing Service Manual

• Covers 2000–2005 KTM 250 EXC, 400 EXC, 450 SX/MXC/EXC, and 525 SX/MXC/EXC Racing motorcycles with liquid-cooled 4-stroke single-cylinder engines
• Official KTM factory publication P/N 3.206.023-E, updated edition 07/2004
• Contains 410 pages with comprehensive system diagnostic procedures and technical specifications
• Delivered as a direct download the moment payment clears
• Indexed PDF search covers every chapter and appendix
• Includes 64 pages of detailed wiring diagrams and technical information bulletins
• Detailed chassis setup documentation and maintenance schedules provided
• This 410-page 2005 edition is the final, most up-to-date service reference covering the full 2000–2005 KTM 250–525 Racing engine series

Maintenance and Technical Scope

This factory manual outlines servicing for the KTM 250–525 Racing series, providing in-depth chapters on chassis and engine care. The documentation includes engine disassembly and assembly, valve timing, fuel system carburetor tuning, and cooling system maintenance. Users gain access to critical system data, including electrical schematics and routine inspection tables.

Specification Highlights

Engine oil capacity for these models is 1.25 liters, with Motorex Power Synt 4T 10W/50 recommended. Engine mounting bolts are documented at 60 Nm. The rear axle collar nut torque is specified at 80 Nm. Intake valve clearance is set at 0.12 mm. Cooling system capacity is 1 liter, with a minimum 40% antifreeze mixture requirement. Cylinder head bolt torque values are documented at 40/50 Nm. Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official 410-page KTM workshop manual covering the 2000–2005 250–525 Racing series, documenting engine, chassis, electrical, and fuel-injection specifications for the complete multi-year model range.