Do it yourself
Frequently asked questions about cars and motorcycles
To replace the sprocket on a Benelli TRK 502, loosen the central nut that secures the sprocket pin: this is located on the right side of the bike, just before the swingarm and directly below the footpeg. Once the nut is loosened, remove the pin and then extract the sprocket by moving the corresponding chain. After the old sprocket has been removed, position the new one and place the chain around it: finally, tighten the nut that secures the sprocket pin.

Updated on 23 July 2026 by ScegliAuto

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How to Replace the Battery in a Yamaha Vino 125 Scooter?

In this tutorial, you will see how to replace the battery in a Yamaha Vino 125 scooter, a very simple and quick operation. First, ensure that the key is not inserted for safety. Then, lift the rubber mat and, using a simple cross-head screwdriver, unscrew the two screws securing the plastic cover. Once opened, disconnect both terminals, starting with the negative, and remove the battery from its housing. To fit the replacement, simply follow the reverse procedure.

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