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John Gay

I had the exact same symptom and I’m in the Komet Sr class.  After trying several carbs, and at the recommendation of Franklin Motorsports, I put on a new coil and the issue was taken care of.  The kart now had power like I’ve never had before coming up through the rpm’s and also previously, during the pre-race formation lap, the kart could barely stay running.  Now, it’s no problem to run that slow of a speed with the needle at 1 1/2 turns approaching the green flag.   Also, make sure the ground strap from the coil to the motor is tight.