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yamaha_mx_13

YZ 426 Head pipe getting red hot

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I have a 2000 Yamaha YZ 426, and now that its winter its been running funny. Today it started up fine but when i started riding around in the snow i looked down and my head pipe was glowing red hot. Is this normal? If not, what should i do?

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It is normal, but it may be being aggravated by the fact that the cold weather makes the bike run a little lean.

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LOL. I grew up in Michigan. Brrrr this time of year. I just go up one on the main jet and then adjust the fuel screw to its happy place. That usually takes care of it.

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