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09 CRF450x Exhaust valves

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Well you know, one of those long sad stories.....this is actually my buddie's bike and we were doing the Desert 100, at about mile 75 or so his engine seized, the drain bolt fell out. Our best guess since he made it that far is he must have hit a rock just right (no skid plate). The rings broke and the piston got a little sideways and smacked the exhaust valves. He gets to replace lots of parts now.

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