My issue is what i call surging...not bad enough to call bucking...would happen when going a constant speed and most commonly is the 3000-4000 rpm range..ecu flash got rid of it though..that and slow throttle response were my personal quirks with the fjr.
I've always attributed that to a "closed loop" reaction to being right on the cusp between 2 stages in a map. It keeps jumping back and forth.
Ridden wet. Put up hard.
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