Do it yourself
Frequently asked questions about cars and motorcycles
Below are the instructions to remove and replace the carburettor of the Piaggio Si, as well as the Ciao and Garelli. First, place the central stand and disconnect the throttle cable; then, unscrew the metal clamp screw of the air filter box, removing it from the carburettor, as shown in the video. At this point, unscrew the screws of the carburettor intake manifold, disconnecting the fuel pipe to remove it; clean it or replace it with a new one, applying the reverse procedure!

Updated on 30 July 2026 by ScegliAuto

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How to Replace the Fuel Pump on the Yamaha Majesty 400

To replace the fuel pump on the Yamaha Majesty 400, you need to loosen the screws that secure the fuel tank to its housing: once this has been removed and disconnected from hoses and connectors, you will be able to locate the fuel pump underneath. The pump can be removed from its housing by unscrewing the screws that secure it in place, allowing you to slide it out and replace it with a new one: after inserting the new pump, you can then check that everything functions correctly.

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