Quote:
Originally Posted by thehawk
Silly question, the glowing red exhaust pipe off the header, if I let it run too long is that going to melt or explode?
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It won't melt or anything, but it's a sign that the carburetor is jetted too lean. Lots and lots of bikes do this. I have had two Yamaha WR450F's, one carbureted and one fuel injected and they both did it as they came from the factory. If yours glows red from just idling as my bikes did, the pilot jet is too lean. I don't have a hawk, but many here can steer you on how to clear up the jetting issues...very easy to swap out carb jets. One thing about engines is they like some things to be done in tandem. The jetting issue can be made much better, but to do it properly means to also address the choked up exhaust as well.