Do it yourself
Frequently asked questions about cars and motorcycles
In this short and simple guide, you will learn how to remove and replace the engine spark plug on the Sym CruiSym 300, following the instructions below. First, place your scooter on the centre stand and begin by removing the under-seat compartment to access the upper part of the engine. Then, disconnect the spark plug connector, using a socket wrench with an extension to unscrew and remove it, as shown in the video. At this point, install the new spark plug of the correct type and thread pitch, applying the reverse procedure!

Updated on 7 July 2026 by ScegliAuto

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