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Old November 9th, 2021, 05:50 AM   #3
Triple Jim
Guy Who Enjoys Riding
 
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Name: Jim
Location: North Carolina
Join Date: Jul 2016

Motorcycle(s): Ninja 250

Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
If the carbs are really clean, the stumbling when you slam the throttle open should be able to be corrected by adjusting the idle mixture screws. Have you set them to max idle speed, then a small amount richer?
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