2001 Ski-Doo Factory Shop Manual Volume Two, Page 119Get this manual
Subsection 03
Section 04 ENGINE (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
A01C3HA
A00A1LA
ENGINE TYPE 809
NEW PARTS min max0.0030.012 mm (.0001.0005 in)
WEAR LIMIT 0.015 mm (.0006 in)
CHECKING CRANKSHAFT ALIGNMENT
Install degree wheel (PN 414 352 900) 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 90 80 50 70
CONNECTING RODCRANKPIN CLEARANCE