1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 58Get this manual
CHAPTER TWO
IGNITION TROUBLESHOOTING
Engine will not start, but fuel and spark are good
1-Check: Defective or dirty spark plug Spark plug gap set too wide Incorrect ignition timing Shorted stop switch Broken piston ring(s) Cylinder, crankcase or cylinder head air leak Worn or damaged crankcase seal(s) Damaged COl unit Damaged magneto coil(s) Damaged ignition coil
I Engine misfires at idle
t Check: '' Incorrect spark plug gap Defective, dirty or loose spark plug Incorrect heat range spark plug Leaking or broken high tension wire Incorrect ignition timing Damaged COl unit Damaged generating coil Dirty wiring connection Damaged ignition coil