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Everything Dirt Bike
General Dirt Bike
What did you do to your bike today?
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<blockquote data-quote="ossagp" data-source="post: 207206" data-attributes="member: 1650"><p>Maybe that one hasnt been around in enough numbers, but I have yet to hear of a 450 which has valve related short time issues. Hard to get away from OE for me if that is the case. I have the hardest time going to a valve spring with higher tensions, for the load it places elsewhere. I don't think you feel the softening of your low or midrange power on the 450 but the wear factor would be a consideration for me.</p></blockquote><p></p>
[QUOTE="ossagp, post: 207206, member: 1650"] Maybe that one hasnt been around in enough numbers, but I have yet to hear of a 450 which has valve related short time issues. Hard to get away from OE for me if that is the case. I have the hardest time going to a valve spring with higher tensions, for the load it places elsewhere. I don't think you feel the softening of your low or midrange power on the 450 but the wear factor would be a consideration for me. [/QUOTE]
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Everything Dirt Bike
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What did you do to your bike today?
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