Do it yourself
Frequently asked questions about cars and motorcycles
In this tutorial video, learn how to change the engine oil on a Sym Joymax 300 I. First, unscrew the oil drain bolt using a 17 mm socket wrench: then finish unscrewing slowly and let all the oil drain into a container; wait about ten minutes before replacing the bolt. At this point, remove the spring and replace the filter attached to the cap; then reassemble everything and pour the new engine oil (10w40 type) into the designated upper hole: fill to the correct level (capacity of about 1L-1.2L)!

Updated on 30 March 2026 by ScegliAuto

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How to Replace the Spark Plug in a Yamaha FZ 150

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