1985 Ski-Doo snowmobile Service Manual, Page 341Get this manual

1985 Ski-Doo snowmobile Service Manual, Page 341

Quality of the image is intentionally reduced!

Section 04 ELECTRICAL Sub-section 02 (IGNITION TIMING)
- Loosen adaptor lock nut then holding gauge with dial face toward magneto, screw adaptor in spark plug hole- Slide gauge far enough into a