I am noticing a vibration when I throttle up on my Yamaha 250 OX 66. It only happens between 1500 and 1800 rpms when starting to power up above and below motor is smooth. Plugs are new Racor shows no water. Any ideas?
thanks,
Barry
I am noticing a vibration when I throttle up on my Yamaha 250 OX 66. It only happens between 1500 and 1800 rpms when starting to power up above and below motor is smooth. Plugs are new Racor shows no water. Any ideas?
thanks,
Barry
check your prop