1997 Ski-Doo Factory Shop Manual Volume Three, Page 76Get this manual
Section 03 ENGINE Sub-Section 03 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
10 20 30 40 50
0 90 80 70 60
A06C1TA
Interval between cylinders must be exactly 120Proceed the same for MAG side pistonAny other reading indicates misaligned (twisted) crankshaft