2005-2010 KTM 250 SX-F/EXC-F/XC-F/XCF-W/SXS-F Factory Service & Repair Manual (P/N 3.206.063-E)

• Covers the complete 2005–2010 250cc four-stroke engine platform, including the Six Days enduro variant.
• Original OEM publication (Art. No. 3.206.063-E, updated June 2009).
• Features 47 detailed exploded-view mechanical and electrical diagrams alongside 9 system-specific torque-specification tables.
• Print-friendly formatting allows you to take only the pages you need to the workbench.
• This 2009 edition acts as the final consolidated reference, incorporating all previous transmission, fuel, and electrical updates.

System Breakdown and Workshop Benefits

This manual delivers the exact factory specifications and assembly sequences needed for professional shop work. No more hunting through forums. Mechanics get immediate technical insight into the engine architecture and chassis systems. The text progresses logically from preliminary removal procedures to deep-dive engine disassembly, transmission shaft indexing, and shifting mechanism alignment. Sections also detail the Keihin FCR-MX 39 fuel system, electrical diagnostics using peak-voltage adapters, and WP suspension parameters. Working with high-pressure fluids and heavy components carries inherent physical risks. Always adhere to standard workshop safety protocols when applying these factory specifications.

Specification Highlights

To give you a clear idea of the technical depth included, the text covers critical tolerances for the 249.51 ccm displacement engine. Crankshaft journal runout is strictly capped at a maximum of 0.15 mm. Valve specification tables outline an intake clearance of 0.10–0.20 mm. The Size I piston mounting clearance is defined at 0.030–0.052 mm. Furthermore, oil pump rotors must maintain a maximum wear clearance of 0.20 mm to guarantee adequate conrod bearing lubrication. Access to this precise repair data eliminates guesswork during complex rebuilds. It ensures all components meet strict OEM wear limits before reassembly.