1978 Ski-Doo Shop Manual, Page 341Get this manual
SECTION 07 (TOOLS)
Armature plate contact set pivot pin remover (socket)420876530
To remove contact set pivot pin from armature platePivot
All engine types using breaker point type ignition
Rotary valve shaft puller 420876485
To remove rotary valve shaft assembly from crankcase
RVengines,
8Belt tension tester414348200