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How to change the transmission of the Sh 300i scooter

Model: (Various brands) Various
Part: Drivetrain

In this video tutorial, you can see how to open the transmission of the Sh 300i scooter to replace worn parts. First, remove the duct leading to the transmission. Once the duct is removed, loosen all the bolts holding the cover. There are two bolts to unscrew (you can use a compressor screwdriver). Then, remove all parts including the belt. Once you reach the transmission, after unscrewing the nuts, the transmission will come off easily. Check if everything is in order and if the spring is functioning correctly. Once you have disassembled everything and replaced the worn parts, you can reassemble everything in reverse order.

Updated on 21 June 2026 by ScegliAuto

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