1979 Ski-Doo Supplementary Shop Manual, Page 107Get this manual
Quality of the image is intentionally reduced!
SECTION 04 SUB-SECTION 04 (IGNITION TIMING)
454 503 640
For 247 engine type, refer to 1978 Bombardier Shop Manual
Quality of the image is intentionally reduced!
SECTION 04 SUB-SECTION 04 (IGNITION TIMING)
454 503 640
For 247 engine type, refer to 1978 Bombardier Shop Manual