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Frequently asked questions about cars and motorcycles

How to replace the spark plug of the Piaggio Vespa 150 ET4

Model: Piaggio Vespa Et4
Part: Spark plugs

Video tutorial

The following steps will show us how to disassemble and replace the spark plug of the Piaggio Vespa 150 ET4 scooter engine. First of all, we put the scooter on the central stand and start by opening the seat and removing the compartment under the seat; we then disconnect the spark plug connector and use a socket wrench with extension to unscrew and remove it, as shown in the video.

At this point, we install the new spark plug, of the right type, screwing it in by hand and then tightening it with a wrench; we connect the spark plug and check the correct ignition of the engine!


Posted on 13 June 2025 by ScegliAuto


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Watch the video!


by ScegliAuto

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