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How do you disassemble the engine of the Yamaha YZ 125?

Model: Yamaha Yz 125
Part: Engine

Video tutorial

To disassemble the engine of the Yamaha YZ 125, you need to loosen the screws that secure the engine block to its supports: this way it will be possible to completely free it by also disconnecting the manifolds and removing all the connectors of the respective sensors.

At this point, it will be possible to open the engine block by loosening the screws that secure the cylinder and accessing the piston inside it: this can then be detached from the connecting rod so that you can access the further internal components and replace them with new spare parts.


Posted on 26 September 2025 by ScegliAuto


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by ScegliAuto

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