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290 jetting

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im not sure if this is a repost...the jetting on my '03 yz250f is spot on right now. i was wondering what i might have to do in the way of jetting if i upgrade to a 290 kit

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as weired as it sounds, ive just spent 2 weeks and many hrs jetting my 08 290, and i ended up with 1 size bigger pilot, 1 3/4 out on the a/s #50 leak and one size smaller main, needle clip and needle stock position. But i also have, carb bowl, full pipe, and cams.

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