Mufflers and Tailpipes
Ford Expedition XLT
Honda Motorcycles

Why would cause a Honda XR100 dirt bike to shoot flames from the muffler when letting off the throttle?

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Answer

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Wiki User
04/06/2009

bad carb setting/jetting or a timing issue . Read the plugs and see if the mixture is good , then check timing per manufacture instructions... if you have a upgraded pipe they always do that. it also could be running rich