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Yamaha MX & Off-Road Dirt Bikes
YZ250 2004 2 stroke....weird tinny/clunking sound coming from engine??
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[QUOTE="RM_guy, post: 1430090, member: 20652"] A worn piston would not be caught with a compression test. You could have a ticking bomb and not know it until the piston fails. If it's a cast piston (all stock and OEM pistons are cast) it needs to be replaced after 40 hours or so. When was last time that was done? [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ250 2004 2 stroke....weird tinny/clunking sound coming from engine??
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