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How to replace the piston on a Derbi Senda 125?

Model: Derbi Senda 125
Part: Checks and maintenance

Video tutorial

To replace the piston on a Derbi Senda 125, completely remove the seat and take off all parts above the engine block. Next, disconnect the connectors and unscrew the bolts securing the cylinder to the top of the block, locating the piston inside.

Remove the old piston from its connecting rod by loosening the retaining ring, and replace it with a new spare part. Finally, reassemble all the components that were removed earlier.


Updated on 5 August 2026 by ScegliAuto


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by ScegliAuto

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