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Dirt Bike Brands - Other
Crf 450 running bad in neutral on the stand
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[QUOTE="Jeff Gilbert, post: 720502, member: 20280"] Mine was broken into 3 peices but like I said, it was in a car. What was happening was at low rpm the valve would open & close fine but at higher rpm's the valve wouldn't close fast enough so it was staying open longer than it should. My guess is that unspenat fuel was passing through the cylinder and burning in the exhasut manifold. I'm sure it would be a long-shot for the same thing to be wrong with your bike, especially since the spring isn't broken, but I suppose the possibility exists that the valve may not be closing all the way. I doubt that is even the problem anyway but it may be an avenue to consider since you are banging your head against the wall on this one. Good luck tomorrow, I hope you get that thing fixed soon. I sure am interested to find out what the problem is. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Crf 450 running bad in neutral on the stand
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