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How to Replace the Piston of the Keeway RCS 125

Model: Keeway Rcs 125
Part: Engine

Video tutorial

To replace the piston of the Keeway RCS 125, loosen the screws securing the cylinder of the engine block to its housing at the top. Once the cylinder is free from its seat, locate the piston inside, which is connected to the connecting rod. After expanding the ring that connects the piston to the connecting rod, completely detach the old piston to insert the new one. The new piston must now be properly secured by refitting the cylinder.


Updated on 7 September 2026 by ScegliAuto


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by ScegliAuto

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