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The muffler replacement on the KTM Duke 390 can be done by loosening the screw that closes the fastening ring, which connects the muffler to the exhaust manifold. Then it will be possible to proceed by unscrewing the bolt that secures the muffler to its support in the rear, so that it is completely freed. Once the terminal has been freed, it will be possible to remove it from its housing so that the new one can be inserted; the muffler must then be connected to the remaining part of the duct with its fastening ring and secured to the support in the rear with the appropriate screws.

Posted on 11 June 2025 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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