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krt400ex
07-26-2007, 07:27 PM
ok, so i was riding at my grandparents house and i smelled smoke, so i had my sis jump on my bike and i followed her around on the 300 to see if my bike was smoking. sure enough, everytime she let off the gas it smoked, and i knows its burning oil...thats what it smells like. im guessing its valve seals, but it could be a top end too cuz it has around 200 hrs on it. it has no noticeable loss in power though, so i dont think it is low on comp....so what do you guys think? am i on with my hypothesis or could it be something else?

honda300EXtreme
07-26-2007, 07:46 PM
i think your right on... my guess is the valve seals,, or the rings,,, i would do a compression or leakdown test and if that meets spec.

then its time to tear into the head