Originally Posted by
hdcruzer
Stock cranks are not filled. 280-300 is a little hot, sounds like you might be a little lean. Start buy fattening the top out an 1hr or 2 and go from there........ These seem to run there best between 260 and 270. Stock or modded.......
That's what I've been doing. My clutch went bad and a friend of mines adjusted the bottom. After that, I never could find the sweet spot. I kept on fattening it, but it still ran hot.