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How to change the spark plugs on the Kymco MXU 500 quad bike

Model: (Various brands) Quad
Part: Spark plugs

It is not easy to find videos about ATVs online, but here is one that shows us how to change the spark plugs on the Kymco MXU 500. To reach the spark plugs, a series of specific tools are needed that are part of the vehicle's onboard equipment, and the YouTuber shows us in the video. The spark plug is an NGK CR7, and to remove it we will take the specific key with a pair of pliers and position it where the spark plug is located. Once positioned, we will turn it with the ratchet key shown earlier, until it is unscrewed. Here comes the difficult part, because the key now has a bit of play and pulling it out becomes very difficult. The YouTuber advises us to then take a socket wrench with a wire so that we can pull it out, being very careful, and cleaning the surrounding area well before removing the spark plug, so as not to drop debris into the engine. We take the new spark plug, position it in the tool and grease it with dielectric grease, position it and start turning it. When it is well seated, we put the socket and turn it well, first with the pliers and then with the ratchet key, and the operation is completed.

Posted on 1 March 2025 by ScegliAuto

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by ScegliAuto

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