[problem] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

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problem
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Posted by: 400ex01

i have a 2001 400ex and its makin a kinda of rattle type noise in the bottom end. it started out that it just did it when the rpms got up but now its easier to hear at idle. one of my friends told me it may be a rod bearing but im not sure so if you guys have any suggestions please feel free to say something