2001 Ski-Doo Factory Shop Manual Volume One, Page 139Get this manual
Subsection 04
Section 04 ENGINE (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
CRANKSHAFT END-PLAY
All Engine Types End-play is not adjustable but it should be between 0.100.30 mm (.004.012 in)
CHECKING CRANKSHAFT ALIGNMENT
Install degree wheel (PN 414 352 900) on crankshaft endRemove both spark plugsInstall TDC gauge (PN 414 104 700) in spark plug hole on MAG sideBring MAG piston at top dead centerRotate degree wheel (not crankshaft) so that 360 mark aligns with center of crankcaseScribe mark on crankcaseRemove TDC gauge and install it on PTO side cylinderBring PTO piston to top dead centerDegree wheel must rotate with crankshaft10 20 30 40 50 60 70 90 80