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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
2008 KX250F Cam (scuffing)
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[QUOTE="Ol'89r, post: 1326380, member: 17212"] Indy. Hard to tell from the pics but, looks like he is losing the hardfacing on the cam. Possibly from dirt or a bucket binding. Could even be just a bad cam. Make sure the bucket is moving smoothly in it's bore and has no vertical scratch marks in the bucket bore. (Indication of dirt) Also, look at the wear pattern on top of the bucket. The bucket should rotate slightly in the bore giving an even wear pattern on top of the bucket. If the wear pattern looks different than the other buckets, it may be binding. It is very, very, important to make sure you don't get any dirt or grit in the top end when you check or adjust your valves since it only takes one little piece of grit to cause this. Just my $ .02 [/QUOTE]
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Forums
MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
2008 KX250F Cam (scuffing)
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