accelerate

Hi all! Hope everybody had a good christmas and new year - really hoping for some help here: Bike operates fine under all conditons, no faults to report anywhere at anytime, apart from the following: If I pin the throttle (not sure if any particular gear) the bike will accelerate like a...

so I had bike running 100% and decided it was ok to put on the leo vince with cat eliminator along with a K&N filter to balance out the airflow. I unplugged the battery and fire it up bike is running very choppy wont even accelerate and about a minute or so later idle smoothes itself out and...

Sometimes when I roll on the throttle smoothly, my bike seems to accelerate unevenly. It will go then kind of cut out, then go again. It seems most pronounced in 1st and 2nd gear. It only happens once in a while and the engine temperature doesn't seem to matter. Sometimes it happens even...