2009 Yamaha YZ250FY Factory Service & Repair Manual (USA, CDN, AUS, NZ) • LIT-11626-22-56, 2009 edition

2009 Yamaha YZ250FY Service Manual

• Official Yamaha publication P/N LIT-11626-22-56 (2009 edition, 275 pages)
• Covers liquid-cooled DOHC 4-stroke engine teardowns, chassis setups, and electrical diagnostics
• Essential reference material for routine maintenance and professional repair work
• Instant download — get the fully indexed, searchable PDF immediately after checkout
• Features complete torque tables, lubrication diagrams, and factory tolerances

Stop guessing on tolerances. This official 2009 Yamaha YZ250FY document provides the exact factory specifications needed to maintain shop efficiency. It outlines the complete anatomy of the 5XC-series production run, from the carburetor assemblies down to the CDI magneto testing values. Technicians gain immediate access to precise fluid volumes and assembly sequences, eliminating downtime spent hunting for reliable data.

The manual details critical engine metrics, including standard intake valve clearances of 0.10–0.15 mm and exhaust clearances of 0.17–0.22 mm. You will find complete specifications for the trochoid oil pump, the 0.99-liter cooling system capacity, and standard piston pin bore diameters (16.002–16.013 mm with a 16.043 mm wear limit). Chassis work is fully supported with specific oil volumes for the telescopic forks, rear monocross shock settings, and crucial torque values like the 135 Nm rear wheel axle nut and 55 Nm footrest bracket.

High-performance motocross machines require precise handling and exact fastening. This documentation serves as a comprehensive reference for major component overhauls and complex repair planning. Always ensure proper safety protocols are followed and consult a certified professional when executing heavy engine or suspension work.