engine parts

Technical articles, tips, tricks and advice from the experts (and there are plenty of you!) on jetting, suspension, riding techniques, muffler bearings, powerband installation or anything dirt.

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engine parts

Postby wr250 » Fri Nov 07, 2014 10:49 am

I need to replace my valves on my 08' wr250f Yamaha. my question is are after market engine better than O.E. engine parts?


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