Do it yourself
Frequently asked questions about cars and motorcycles
To replace the sprocket on a Benelli TRK 502, first remove the bolts securing the sprocket cover using a Torx key. Next, use a screwdriver to pry and lift the retaining ring of the sprocket. Before removing it, you must hold the rear wheel of the motorcycle or remove it completely. Once removed, you can loosen the chain and then replace the old sprocket with a new one: ensure that the chain is long enough for the new sprocket. At this point, simply reassemble all the previously removed parts.

Updated on 19 April 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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