1979 Ski-Doo Supplementary Shop Manual, Page 191Get this manual
SECTION 07 (TOOLS )
Armature plate contact set pivot pin remover (socket)420876530
To remove contact set pivot pin from armature plate
All engine types using breaker point type ignition
Rotary valve shaft puller420876485
To remove rotary v.alve shaft assembly from crankcase
RV engines up to serial no3095551