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Fcr39 jetting on 07 sm...Eddie help please

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I just had my fcr39 installed an there seems to be a jetting issue i guess...?

07 sm with yosh ti pipe,3x3 mod, k&n, fcr-39mm carb...

If I twist the throttle fast, it falls on it face an stalls or falls on it face an bogs then picks right up......

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+1 to that.

I didn't do it before I installed my FCR, and had the same problem. You can do it without removing the carb if you have small fingers and some fine needle nose pliers. Took all of a minute to do, only a couple cents for the o-ring.

Much better!

:thumbsup: safe,

PP

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i dont know the jetting off had as i didnt put the carb in the bike. how would i check the squirt duration?

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do all the new FCR have this bog problem? or is it a matter of luck and jetting

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