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03 YZ250F Jetting

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I just cut up my airbox on my 03 250f and now its way lean I guess, will barely run, it needs the silencer repacked also but I'd still just like to get rid of the hesitation giving it juice around 1/8 - 1/4 throttle. But if I could get the stock jetting (don't have the carb off yet) So I could buy what I need and a link to a site with cheap jets would be awesome! Thanks guys! Been a lonnnng time since I've posted on here. Good to be back in the moto world again 👍:smashpc:

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No, any dealer carries leak jets. Nearly all MX bikes use the same carb.

Leak jets will not resolve a lean issue, only affect acceleration. Your massive holes will need a very rich needle and main to compensate.

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OP....you have the same thread running on the WR/YZ model specific forum. :smashpc:

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