1978 Ski-Doo Shop Manual, Page 47Get this manual
SECTION 02 SUB-SECTION 03 (DRIVE PULLEY)
WARNIN4: 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
Install puller in pulley shaft then tighten, at the same time knock slightly on puller head to disengage pulley from engine crankshaft
DISASSEMBLYASSEMBLY
Some bolts of the drive pulley having "Loctite" on their threads, it is advisable to break the "Loctite" seal before attempting to unscrewG)Torque to 85 Nom (63 ft-Ibs)00Install ramps and torque bolts as per illustrationTorque to 12 N.m (9 t-lbs) Ramp
REMOVAL
Some pulley components are marked to insure proper assemblyIf components lack such marks, marking should be done manually before disassembly, as per illustrationINDEXING MARKS IN LINE
Bend locking tab over the bolts