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Frequently asked questions about cars and motorcycles
This video shows how to remove the DB-Killer from a Beta RR 125. First, obtain the appropriate pliers to remove the circlips and insert them into the silencer where the retaining clip is located; perform this operation only when the engine and exhaust are cold. At this point, press and remove the circlip, then use pointed pliers to pull out the DB-Killer, as illustrated in the video. Finally, listen to the difference in sound from the original; for reassembly, simply apply the reverse procedure!

Updated on 31 March 2026 by ScegliAuto

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How to Change the Speed Unit on the Piaggio Mp3

If the speed displayed on your Piaggio Mp3 is in a unit of measurement different from your preference, simply follow this mini guide to change it independently. First, start this procedure with the bike completely off. Then, press and hold the "Mode" button on the right knob for about three seconds and turn on the display. Once done, press the "Mode" button again to switch between units (from Km/h to Mph or vice versa). Finally, hold down "Set" to save the changes.

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