1997 Ski-Doo Factory Shop Manual Volume Two, Page 82Get this manual
Sub-Section 03
Section 03 ENGINE (454, 494, 583 AND 670 ENGINE TYPES)
' sis to perform the following proceduresCLEANING
NOTE: Engine must be removed from chas-
ASSEMBLY
2,4,5,6,9, Crankshaft Bearing and Labyrinth Sleeve
Smear anti-seize lubricant (PN 413 7010 00) on part of crankshaft where bearing fitsPrior to installation, place bearings into an oil container filled with oil previously heated to 75C (167F)This will expand bearing and ease installationInstall bearings and labyrinth sleeve with groove as per the following illustrationKeep 0.3 mm (.012 in) gap between outer bearing and labyrinth sleeve
Discard all oil seals, gaskets, O-rings and sealing ringsClean all metal components in non-ferrous metal cleanerUse gasket remover (PN 413 7085 00) accordinglyRemove all trace of Loctite from crankshaft taperRemove old paste gasket from crankcase mating surfaces with Bombardier gasket remover (PN 413 7085 00)-