Yorkie1406 Posted October 14, 2009 Share Posted October 14, 2009 Hi All, I need some help. My son has just bought a Yamaha YQ 50 Aerox 2000 model. He has since been told that the engine is a wreck and needs major work. I have found 2 engines on sale but they are different years to my sons 2000 model. One is an 03 the other is an 04. Will either of these engines fit straight into my sons bike? If not does anyone no what years will fit or does anyone have an engine for sale that will fit. Link to comment Share on other sites More sharing options...
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