On the other hand, if you're running a keihin carb, a 200 main is STUPID rich. I have a 145 main in my Keihin (@ about 4000 ft). As others have said, if it's a stock carb (Mikuni), 200 is WAY lean.
Will not run with air filter
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Wow, I guess I am running way lean then... What do you guys suggest I start at? I'm not sure how much it is bored over.... It has an fmf header and silencer. I had the top end apart the other day and everything looked good... So I guess I did'nt do any engine damage yet..........
No. your bike is jacked, 37 failed attempts at jetting it and fixing it have really tweaked it.
You need to
1. do a compression test
2. do a leak down test.
3. tell us what exactly has been done to the motor.
4. tell us what size and kind of carb you have
5. are you running an airbox lid?
6, what kind of filter?
7, is the filter properly cleaned and oiled
8. is it a fresh plug?
9 Are the reeds good?
10. has it ever ran right?
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