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How to Replace the Transmission on the Sym Symphony 125?

Model: Sym Symphony 125
Part: Drivetrain

Video tutorial

To replace the transmission on the Sym Symphony 125, you will need to loosen the screws that secure the corresponding cover, which will be positioned near the rear wheel: once the cover has been removed, you will be able to identify all the underlying components.

The screws securing the clutch and the variator must be loosened to remove these components and the corresponding belt: at this point, you can insert the new components into their housing to secure them and reposition the belt.


Posted on 18 April 2026 by ScegliAuto


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by ScegliAuto

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