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How to Disassemble the Engine of a Sym Bonus 110?

Model: Sym Bonus 110
Part: Engine

Video tutorial

To disassemble the engine of a Sym Bonus 110, loosen the screws that secure it to its mounts, allowing you to disconnect the hoses and connectors attached to it; once the engine block is freed, proceed by loosening the screws that secure the cylinder, removing it from its seat and locating the piston inside.

This must be detached from the connecting rod so that you can access the crankshaft and all the additional internal components; by replacing the necessary ones, you can then reinstall the engine.


Updated on 25 October 2026 by ScegliAuto


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by ScegliAuto

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