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How to dismantle the engine of a Derbi Senda 125?

Model: Derbi Senda 125
Part: Engine

Video tutorial

To dismantle the engine of the Derbi Senda, loosen the screws that secure the engine block to the supports in the lower central part of the bike. Once the screws are loosened and the connectors are disconnected, the engine block can be removed from its housing.

Start by loosening the screws that secure the cylinder, detaching it from the top. Then, remove the piston from the corresponding connecting rod by unscrewing the screws that secure the side crankcase halves. At this point, the necessary internal parts can be replaced, and then reassemble the other components that were removed.


Updated on 10 July 2026 by ScegliAuto


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