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88kit carb

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My brother has an 03 xr50 with a takegawa 88 kit in it, hyper s stage, with carb and all that. When he bought the bike the jetting was too rich, it had an 85 main. In the high RPMs it would bog. Like if you held it wide open it would bog then get a little bit of power then bog....

He put a 80 main jet in it, and i bogs less. However, it still bogs. On the two brothers website, it says that the 80 is the smallest main jet for it. What else could u do with the carb to make the top end run leaner?

Thanks Alot!

PETER

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You shouldn't have to run lower than an 80 main. It sounds more like you're not getting enough air into the carb.

1)Make sure you have a clean air filter .

2) Make sure that you did not over oil the air filter.

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Yes, are you still running the stock CDI, if you are that is your problem, it is cutting out on the rev limiter.

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