1997 Ski-Doo Factory Shop Manual Volume One, Page 86Get this manual
Sub-Section 04
Section 03 ENGINE (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
The result is the actual crankshaft end-play that must be within specificationIf the result is over specification, add adjustment shim(s) to reach this specificationIf the result is under specification, remove adjustment shim(s) to reach this specificationTo SummarizeM1M2M3M4M5M6M7M8Actual end-play that must be within specificationM8 is the dimension that must be adjusted to obtain the specified crankshaft end-playA M3 M1 M2
A01C0TA
MEASURING M1 AND M2 1Bearing seat