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How to Adjust the Carburettor of the Piaggio Vespa PX 125?

Model: Piaggio Vespa Px 125
Part: Carburetor

Video tutorial

To adjust the carburettor of the Piaggio Vespa PX 125, locate the bolt at the rear of the carburettor. Here, you will be able to tighten the bolt with a suitable screwdriver.

While tightening this bolt, listen to the engine sound due to the power delivery: when the sound becomes louder and more prolonged, the adjustment will be complete. Additionally, the same operation should be performed on the carburettor to adjust the bolts located on the sides, as shown in the tutorial.


Updated on 17 August 2026 by ScegliAuto


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by ScegliAuto

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