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How to Replace the Piston on a Sherco ST 290

Model: Sherco St 290
Part: Checks and maintenance

Video tutorial

To replace the piston on a Sherco ST 290, access the top of the engine. Disconnect all cables connected to the cylinder.

Inside the cylinder, you will find the piston, which needs to be detached from its conrod by removing the retaining clip. Once the old piston is removed, insert the new one and secure it to the conrod with the retaining clip.

After securing the component, reattach the cylinder using the appropriate screws and reconnect the cables.


Updated on 24 May 2026 by ScegliAuto


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by ScegliAuto

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