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Frequently asked questions about cars and motorcycles
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  2. :
  3. Sym
  4. : Jet 50

How to Replace the Piston on a Sym Jet 50

Model: Sym Jet 50
Part: Engine

Video tutorial

To replace the piston on a Sym Jet 50, loosen the screws that secure the engine block to its mount, allowing you to disconnect the pipes and connectors attached to it. The block can then be extracted from its mount, and you can proceed by unscrewing the screws that secure the cylinder at its top; removing the cylinder will reveal the piston inside, which can be freed from the connecting rod by removing the pin and the corresponding retaining ring.

After removing the old piston, insert the new one and reassemble all the removed parts.


Updated on 11 November 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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