2025 Yamaha YZ125X Service and Repair Manual

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For the 2025 YZ125X, Yamaha's service manual is part number LIT-11626-38-37 and the machine it documents is model code YZ125XS.

There is a practical reason to have the current manual on the shelf from the start. The first services on a new bike set up everything that follows, and the factory intervals, settings and torque figures are what those services should be done to. Later, when a top end or a suspension rebuild is due, the same book supplies the measurements and the limits that decide what is replaced.

Coverage spans the engine, chassis, fuel system, ignition, suspension and electrics, with procedures in the factory's sequence and a wiring diagram for the harness as delivered. Confirm YZ125XS on the frame label, and note that the motocross YZ125 of the same year uses a different manual entirely.

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