Alright, so I have a 91 king quad 300 that is freshly rebuilt. After I rebuilt it I started having issues with power even after the break in period. So i talked to merryman about it and he helped me find that the timing was advanced by a tooth. After setting this back i saw that the cam chain had a significant amount of slack, so i definitely need to replace it, so if anyone can give me a rundown on the process that would be great. To me it looks like I have to break into the transmission pretty far which I've herd is really complicated.

So anyway, the issue I'm having now is the thing runs great at high rpm, I'm guessing anywhere above around 3000 and 8mph?.. But it seems like when I'm in first gear and I'm pulling something or pushing with a snow blade, it really struggles. I'm often seeing it not even be able to spin the tires when i get into some deep snow. It also periodically will stall after a pull or burping the throttle a few times, and it is also a pain to start cold or warm. So if anyone can help that would be great.