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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Piston help. Newbie
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[QUOTE="jaguar, post: 1468962, member: 19340"] the piston skirts were blackened due to the blowby past the stuck ring. make sure the filter is clean and oiled. usually you can recover a piston like that. just make sure there is a little vertical play for the ring. you can use an exacto knife to scrape the surfaces. the black under the piston crown means the fuel/air mixture was too lean. enlarge the main jet and raise the needle one notch. [/QUOTE]
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Forums
MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Piston help. Newbie
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