Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
In this tutorial, you will learn how to replace the spark plug on a Yamaha Zuma 125 scooter, a very simple and quick operation. First, ensure that the engine is completely cold. Then, remove the battery cover panel by unscrewing all the indicated screws and take off the vertical engine cover. Next, disconnect the spark plug power connector, grasp the spark plug with the supplied tool, and gently unscrew it. Finally, insert the replacement spark plug, tighten it, and follow the reverse procedure to reassemble everything.

Updated on 1 September 2026 by ScegliAuto

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