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socalxrminiracer

oil from the breather hose ??

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i just got my first yzf450 an 04 and i love doing wheelies on it i noticedthough that after riding and doing wheelies here and ther that thers alot of oil build up on the frame right were hose ends is this normal ?? becuase i noticed if i ride and dont do aany wheelies i dont have that problem i think its just from doing wheelies well any info could help thanks :applause:

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I seriously dont think the buildup is from doing wheelies. Its probably from revving it more. I imagine the oil gets kicked/sloshed up and into the breather tube but I'm not for sure.

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Next time you have the cam cover off, just put a piece of low density foam or even scotchbrite in the cavity below the breather tube...it will just about eliminate all of the blow out. Tdub

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Actually, by having some oil inside the tube will help catch dust from getting sucked up into the engine. A similiar scenerio is that we oil our air filters to help trap dust. My step-dad's Honda Shadow VLX came from the factory with a plug in the end of the hose, seems to me that would counteract the purpose of the breather hose.

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On my 426 I rerouted the breather to the airbox. I put the hose in the airbox by heating up a brass nipple and melting it into the airbox. Just like they suggested in dirtrider. Now when my bike leaks oil, like it always does, I just oil my air filter, ha ha, wrong kind of oil though. :applause:

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