115 yamaha 2 stroke 1993

by ricky mundy
(williston s c)

motor starts and run good until you go to wide open turns up to 6000 rpm runs about 1/4 mile then drops back to 5200 if you bring it back to idle start off again turns up 6000 but for shorter time before it drops back replaced stator voltage reg been threw carbs its like the timing being retarded