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How to Dismantle the Engine of the Yamaha YZF 125R

Model: Yamaha Yzf 125r
Part: Engine

Video tutorial

To dismantle the engine of the Yamaha YZF 125R, loosen the screws that secure the cylinder to the top of the engine block. Once the cylinder is freed, disconnect the piston from the corresponding connecting rod located at its lower part by removing the pin and the retaining ring.

Once the connecting rod is also freed from the crankshaft, you can slide the crankshaft out from the base of the engine block, accessing the additional components. You can then replace them if necessary and reassemble the engine.


Updated on 27 October 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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