1970-1979 Ski-Doo Snowmobiles Service Manual, Page 154Get this manual

1970-1979 Ski-Doo Snowmobiles Service Manual, Page 154

Quality of the image is intentionally reduced!

REAR SUSPENSION AND TRACK

1 Raise rear of snowmobile off ground and block up securely2 Loosen adjuster bolts on inner side of rear idler wheels to release track tension (Figure 7)
3