1970-1979 Ski-Doo Snowmobiles Service Manual, Page 92Get this manual
ENGINE Assembly
5Secure pivot arm assembly with circlipEnsure that pivot arm is positioned so that arm can turn clockwise6Fuse rope ends with match7Install rope end in hand grip and secure with knot8Rotate sheave counterclockwise turns to wind up rewind spring and hold9Look through rope hole in starter housing and turn sheave until hole in sheave aligns with hole in housing10Route rope through housing and into sheave hole until approximately Yin(l9mm) of rope is visible in housing11Install key in housing and push key to lock rope (Figure 101)
1Wind spring into smaller half of cartridge caseLightly grease spring as it is wound into caseInstall case cover2Install spring cartridge in starter housing with large opening of cartridge facing upGently tap cartridge into place3Install rope sheave in housing and align notch in sheave with spring hook (Figure 102)NOTE: On early modeljam pin starters, secure rope end in sheave with jam pin and tap rope end until it is flush with back ofsheave