this is something the bike has shown since running well. so at least a year and a few months. it's not a major issue for me but something i'd like to address during these colder months ahead. between 4-5k rpm the bike has a flat-ish spot. if i'm cruising along at 45-60 mph or so, usually 3rd or 4th gear, i notice a break up like it's not getting gas, but the bike doesn't lose speed. i can give it more throttle and it generally starts to go away after about 4700-4800 rpm. my guess on throttle is i'm at 1/2 or less. stock airbox, 110 mains, 40 slow, jet needle at the 4th notch. keihin jets and oem 4into4 exhaust. no inline filters and only non-ethanol 87 gasoline. floats were set last year at 26mm with the tang just touching the float needle but not compressing it. 3000 mile maintenance was done probably 1500 miles ago but again this is an issue the bike has always had since i got it running well. i ride the bike often, usually a good hour or two straight on the weekend and few shorter trips during the week.
