Did you ever figure out what was causing the noise. I have the same noise, I checked my top end but didnt see any problems there. I was ridding the other day and heard a pop and thats when the slapping noise came. But starts fine and runs fine, the noise seems to go faster as I give it throttle.
Did you ever figure out what was causing the noise. I have the same noise, I checked my top end but didnt see any problems there. I was ridding the other day and heard a pop and thats when the slapping noise came. But starts fine and runs fine, the noise seems to go faster as I give it throttle.