1978 Ski-Doo Shop Manual, Page 303Get this manual

SECTION 05 SUB-SECTION 03, (MERC-O-TRONIC TEST)
ADJUSTMENT OF SCALE NO.4 FOR TEST NO&

PROBE TEST METER SET SCALE 4-6

COIL POWER TEST DISTRIBUTOR RESISTANCE COIL CONTINUITY CONOENSER CAPACITY

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