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How to Replace the Drive Belt on the Sym Symphony 125?

Model: Sym Symphony 125
Part:

Video tutorial

To replace the drive belt on the Sym Symphony 125, first remove the bolts securing the cover; then you can take off the cover to access the transmission. To slide out the belt, loosen the central pin of the clutch with a pneumatic gun and remove all the discs.

Next, perform the same operation for the pulley and remove it as well. At this point, you can replace the drive belt and reinstall all the parts removed earlier.


Updated on 24 April 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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