2025 Yamaha YZ250 Service and Repair Manual

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LIT-11626-38-54 is the factory service volume for the 2025 YZ250, built around the model code YZ250SL. Yamaha also placed the YZ250 Monster under the same part number, so the graphics differ between those two bikes but the service work does not.

Engine coverage runs from routine top-end refreshes through to a full crankcase rebuild, with measurement limits stated for the piston, bore, crank and transmission parts. Clutch, power valve and carburetor sections give the factory settings, and the torque tables appear where the work happens rather than buried in an appendix.

On the chassis side the book details suspension disassembly and oil specification, wheel and brake service, and steering head adjustment. Wiring diagrams and fault-tracing charts cover the ignition and its sensors.

Match YZ250SL on the frame label to be certain, particularly if the bike came to you second hand with parts swapped from another year.

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