1979 Ski-Doo Supplementary Shop Manual, Page 98Get this manual
SECTION 04 SUB-SECTION 02 (ENGIN E)
BOTTOM END
CLEANING
Discard all oil seals, gaskets and "0" ringsClean all metal components in non-ferrous meta cleanerRemove old sealant from crankcase mating surfaces with Bombard ier sealant stripper_ CAUTION: Never use sharp object to scrapeaway old sea lant as score marks incurred are detrimental to crankcase sea ling
DISASSEMBLY AND ASSEMBLY
CD Crankcase halves are factory matched and therefore, are not interchangeable as single halvesPrior to joining of crankcase halves, apply Locti te 515 (no4137027) on mating surfaces Position the crankcase halves together and tighten nuts (or bolts) by hand then install armature plate (tighten) on magneto side to correctly align the crankcase halvesTorque nuts (or bolts) to 21 N-m (15 ft-Ibs) fo ll owing illustrated sequenceAt assembly, apply "Loctite 242" or equiva lent on threads, then torque to 80 N- (60 ft-Ibs)At assembly, apply light coat of li thium grease on seal lipSeal outer surface should be flush with crankcase To remove bearing from crankshaft use protective cap and special puller, as illustrated(See Tools Section)