1970-1979 Ski-Doo Snowmobiles Service Manual, Page 163Get this manual

1970-1979 Ski-Doo Snowmobiles Service Manual, Page 163

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156 Removal and installation (twin cylinder mid-engine models) 59-62 Rotary valve timing 81 Specifications and tightening torques 86-88 Starting 39-41 Top end and complete overhaul 50 Troubleshooting