1980 Ski-Doo Shop Manual, Page 37Get this manual
SECTION 03 SUB-SECTION 01, (ENGINE TOLERANCES MEASUREMENT)
CRANKSHAFT END-PLAY
MINIMUM 0.20 mm (.OOB") MAXIMUM 0.40 mm (.01 6")
Measurmg distance between
shoulders
NaTE: Crankshaft end-play IS adjusted only when crankshaft andor crankcase is replaced
One cylinder engines (247, 277)