PDA

View Full Version : 39mm fcr mid range miss



jgfarmsracer
10-16-2003, 09:48 PM
my fcr 39mm runs great on the top and bottom but when i let off from full throttle it starts hickuping HELP!!!!!

sparks 440, 165 main, not for sure on needle i have never messed with it and i also bought the carb from sparks

Colby@C&DRacing
10-17-2003, 11:25 AM
I think you were the one that called me but if not, try raising the needle it may be a little lean in the mid range. You may only notice it when coming down from high rpm which is bringing in more air and causing a lean condition