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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
some ?s on my 2003 rm 125
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[QUOTE="Chili, post: 1397012, member: 29892"] I'd be careful dropping the main arbitrarily like that without any idea where you are at currently jetting wise (rich/lean). That 460 main is the stock main jet for that bike and we raced that bike for two seasons on a 460 main with absolutely no spooge and it was right on the edge of detonation to the point of needing extra octane or richer jetting to keep the piston together. 27.5 is exceptionally lean for the pilot also as the stock pilot is a 40, we ran a 35 pilot in that bike and bumped the clip up one notch on the needle and adjusted for weather from here. My guess is the bike starts first kick cold with the choke and then is harder to start later when warm without the choke? If so I'm betting you are too lean on the pilot. As far as the clutch do you have proper free play at the lever? [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
some ?s on my 2003 rm 125
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