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.003" intake and .005" exhaust is a good bet, and within .002" of 95% of all the yamaha's

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โˆ™ 2009-07-20 15:02:13
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Q: What is the proper valve gap for a Yamaha 2007 Big Bear 400?
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How do you stop gas from leaking out of the overflow tube on a 2001 Yamaha big bear 400 I have already replaced the needle and the float in the carborater.?

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