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Posted by oldschool
 - January 21, 2017, 14:49:17 PM

I posted this same problem previously.  I Grampsized my 800 and followed the instructions to the letter.  Now,  when I am running in 4th or 5th gear, and seems to have a strong headwind, the motor sputters and chokes. I had an idea to try to pull the choke lever while its sputtering, and the motor smooths out and seems to run better. If I release the choke lever and it retracts, the motor sputters again. I don't know if I am getting too much air and need to put a baffle back into the breather, or turn the adjusting screw further out to make the air/fuel mixture richer.  I need someone to enlighted me if they have had this type of problem after Grampsizing a bike.

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