YFM 250 Moto 4 Quad: backfire around 1500-2000 rpm

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Aug 28, 2014 | 03:14 AM

#11

merryman

Elite Pro Rider

Joined: Oct 2013

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From: Lancaster England

OK, so the cam is fine, I would change the fuel while the carb & tank are off, and see how it runs when you get it back together.

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