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How to Replace the Spark Plug on the Sym CruiSym 300

Model: Sym Cruisym 300
Part: Spark plugs

Video tutorial

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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To dismantle the engine block of the Piaggio Zip, first extract it from its housing: once removed, you can proceed by loosening the screws that secure the side casing and also removing the spark plug from the top of the cylinder. This way, you can unscrew the bolts that secure it to its seat and then loosen the bolts that attach the connecting rod to the piston. By removing the piston itself, you can also dismantle the connecting rod and subsequently remove all other components located inside the engine block.

Watch the video!


by ScegliAuto

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