1970-1979 Ski-Doo Snowmobiles Service Manual, Page 164Get this manual
Throttle cable adjustment (Tillotson carburetor) 31 Tillotson carburetor 89-98 Timing (COl) 29-31 Timing (single cylinder engines) 22-26 Timing (twin cylinder engines) 26-28 Tools 5-6 Torque reaction suspension 17 Towing Track Assembly 47 Clearing Removal, inspection, and installation 149 Tension adjustment 14-16 Troubleshooting 47-49 Wear analysis 47-49 Troubleshooting Drive belt wear analysis 44-47 Electrical system 43-44 Engine failure analysis 42-43 Engine performance 41-42 Engine starting 39-41