2002 Ski-Doo Shop Manual Volume Two, Page 123Get this manual
Subsection 03
Section 04 ENGINE (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
CONNECTING ROD BIG END AXIAL PLAY
ENGINE TYPE 809 NEW PARTS min max0.310.68 mm (.012.027 in) WEAR LIMIT 1.20 mm (.047 in)
CHECKING CRANKSHAFT ALIGNMENT
Install degree wheel (PN 529 035 607) on crankshaft endRemove all 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 center cylinderBring center piston to top dead centerDegree wheel must rotate with crankshaft10 20 30 40 50 60 70 90 80