1983 Ski-Doo Shop Manual, Page 153Get this manual
SECTION 03 TRANSMISSION SUB-SECTION 03 (DRIVE PULLEY)
WARNING: Drive pulley repairs that include any disassembly or assembly procedures must be performed by an authorized Bombardier dealer, or other such qualified personSub-component installation and assembly tolerances require strict adherence to procedures detailed+
Remove spark plug(s) then bring PTOpiston at TDCpositionRotate drive pulley 45 clockwise then insert enough starter rope into cylinder to fill it completely
CD Remove
REMOVAL
Some pulley components are marked to insure proper assemblyIf components lack such marks, marking should be done manually before disassembly, as per illustration
the capscrew
If it is necessary to remove inner half, use drive pulley puller PIN 529002 100
CAUTION: This pulley has standard threadsDo not use metric threads puller
Remove starter rope blocking piston, then reblock piston after having turned 45 counter-clockwise from DCposition; or install crankshaft locking toolInstall puller in pulley shaft then tighten, at the same time knock slightly on puller head to disengage pulley from engine crankshaft