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Instructions to Replace the Spark Plug on the Kymco Downtown 300i

Model: Kymco Downtown 300i
Part: Spark plugs

Video tutorial

This guide explains how to remove and replace the engine spark plug on a Kymco Downtown 300 injection scooter, following the instructions below. First, open and lift the seat, then start by removing the under-seat compartment by unscrewing all the indicated fixing screws; this gives access to the top of the engine.

Next, disconnect the spark plug lead or cap found on the cylinder head and use a socket wrench with an extension to unscrew and remove it; simply replace it with the new one, screwing it in by hand before tightening with the wrench!


Updated on 9 May 2026 by ScegliAuto


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by ScegliAuto

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