Question about 2003 Yamaha YZ 450 F

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My 450f was dripping coolant out the overflow and i looked over and my pipe was glowing red but the bike didnt take long to cool down once i stoped it

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  • saladfingers Jun 20, 2009

    no work has been done just washed and then started it would this be becuace the bike wasnt getting cool air because it was just ideling in the shed with the od rev

  • saladfingers Jun 20, 2009

    wasnt loosing heaps of coolant but was leaking and about 3 inch s of the exhaust was red it was in a darkish shed

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Has any recent work been dont to the carburetor? sounds like its running lean,which will cause it to over heat and offen the pipe will glow

Posted on Jun 20, 2009

  • Ben Dover Jun 20, 2009

    i dont think that could of caused it....something is causing a lean condition in the bike..the timing might of moved somehow but on the model yr im not sure how to check it

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