iggnert

Hi guys, first time user. I recently bought an 85 200 yamaha atc. The seller said it starts first or second pull ever time---(bs). The only way I can start it is to pull the plug- spray b-12 in the hole-replace plug, then pull rope several times with throttle open. Thats a lot of work. The compression release seems to be working, its getting gas, I guess the spark is (new plug) ok, and I jerk the puddin out of the rope when I try to start it. Could anyone shed any light on this, I would deeply appreciate it? Thanks