last summer i wrote in asking about my sons red cat it is a 70cc cub automatic the problem i was having is that the clutch would ingage at a low rpm so when when you set the idle high enough to stay running it woud want to well, start runing . the feed back i got was that ther may be to much oil in the crank. or it was just not broke in yet. well he rode the tar out of it all summer and now that the coldest winter ever is over he wants to ride again. but we are having the same problem i re a post about an adjustment screw with a lock nut but i cant figure it out. when you loosin the lock nut the screw will spin but it will not move in or out could some one please help me befor istart tearing the clutch apart thanks