1985 Ski-Doo snowmobile Service Manual, Page 377Get this manual

Section 04 ELECTRICAL Sub-section 06 (TESTING PROCEDURE)
TROUBLE SHOOTING CHART

NIPPONOENSO COl SYSTEMS

SPARK TEST

5mm (316") SPARK TAKES PLACE

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