1978 Ski-Doo Shop Manual, Page 321Get this manual
SECTION 05 SUB-SECTION 04, (ELECTRIC STARTER) (To remove the pinion stop collar from the armature, make tool similar to the illustration belowDrive out the pinion stop collar toward the overrunning clutch using the tool as shown below then remove snap ring
REMOVAL
Disconnect black cable ground connection from batteryDisconnect red battery cable and red and green wire from solenoid switchRemove starter
DISASSEMBLYASSEMBLY
_ CAUTION: To carry out some ofthe following procedures, it is necessary that special equipment be availableIf you do not possess such equipment, either replace the damaged components or have the parts overhauled in workshop equipped with proper tooling= 16.5 mm 10.65")
177 mm 10.07"1 25.4 mrn 11")
the wear on bushings by measuring the amount of side play between the armature shaft and the bushings
The side play should not exceed 0.20 mm (0.008''), If excessive, replace the bushingTo replace bushing, press out the old one and press in new one with bushing pusherThe correct size of the bushing pusher to use is given in the illustration belowPress-IN DI15.2 mm 10.6"1 D2 10 mm 10.394") LI12.7 mm 10.5"1 L2 12.7 mm 10.5")