1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 67Get this manual

TROUBLESHOOTING

l Engine misfires

Check: Dirty carburetor Dirty or defective inlet seat or needle Choke out of adjustment Incorrect carburetor adjustment

l Engine backfires

Check: Poor quality fuel Airlfuel mixture too rich or too lean Incorrect carburetor adjustment

I Engine preignition

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives