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chris63

20 HP Yamaha leaking fuel!

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I own a 1993 Yamaha 20 horse tiller that is leaking fuel/black sooty out of the exhaust port onto the garage floor.Any thoughts on this one?This has been a trouble free motor up to this point.I dis-connected the fuel tank hoping that it may have been venting through the engine due to the sudden heat wave.Any thoughts on this matter are appreciated.c63

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what aer you mixing your oil ratio at? it could be unbrunt gas, oil, stuck carb float or like you said the gas tank expanding and pushing gas into the motor..

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does it look like a sorta milky fluid? how much?

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