Question about 2004 Yamaha YZ 450 F

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Yzf 450f `04 exhaust pipe glows red --believe it to be lean burn

From plugged carb or restricted passageway?

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  • Anonymous Feb 06, 2009

    i also have a 2994 yz450f and my exhaust pipie also glows ,is that a problem, if is how do i fix it

  • john16john Feb 07, 2009

    i just purchased this bike im not sure if timming is out or it is carby problems bought it as is exhust glows red hot


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They will all glow red when you let them idle for a couple minutes. The timing is retarded at idle I believe. Once reved up they will cool off. I figure best to give them a little rev once and a while to help prevent this.

Posted on Mar 19, 2009

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And the question is?

Posted on Nov 22, 2008

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