is this normal???

5 replies to this topic
  • yamiwr450

Posted November 24, 2004 - 08:40 PM


:cry: i've got a brand new 04 wr450 with only 91 miles on it, and the other day i started it...after only 20 seconds the pipe was GLOWING bright red!!! is this normal???


Posted November 24, 2004 - 08:44 PM


Yes normal a lot of people have asked the same question including me but yes they run very hot I lost a pair of pants real quick with my white bros.header.

  • toyota_mdt_tech

Posted November 24, 2004 - 09:14 PM


Yes, normal, now with some throttle under load, it wont glow. Running down the trial under a load will cool it down, but its still short of glowing red. My 426 did it, the new 450 does it. I also have a new 04WR450F with about 90 miles on it also! :cry:

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  • ovrrdrive

Posted November 25, 2004 - 04:25 AM


I don't know about you guys, but mine won't glow "bright red" after only 20 seconds...

Are you sure it isn't running lean on the bottom?

  • scuba57

Posted November 25, 2004 - 05:12 AM


I have a 225 and it does the same thing, bright red glow when it warms up to operaring temperature.

  • 450_James

Posted November 25, 2004 - 02:53 PM


Mine does the same thing (05 WR450). A mechanic said it was because the pipe was made of Titanium. It's fine though a couple hundred miles later. I haven't noticed it as bright lately.


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