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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
04 Cr85 main jet problem!
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[QUOTE="Nolanrees, post: 1469158, member: 141208"] So in April I bought an 04cr85, for a while the thing ran perfectly, over time it started to lose top end power, a bit from the piston wearing down, and a bit of a sputter from running too rich. I'll start off by saying bottom end rpms run fine since I got the bike till now. But I recently rebuilt the top end, hoping it would fix the problem, yet the engine still sputters in the top end. I have a stock 125 main jet. And purchased the next size down, a 122 main jet. The 122 main jet runs noticeably too lean. And I cant get the bike to have a smooth powerband with either,, first time writing on a forum so any help would be appreciated. Hopefully I can get a vid of how the bike runs up soon [/QUOTE]
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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
04 Cr85 main jet problem!
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