1980 Ski-Doo Shop Manual, Page 79Get this manual
SECTION 03 SUB-SECTION 02, (ENGINES)
BOTTOM END
CLEANING
Discard all seals, gaskets and "0" ringsClean all metal components is non-ferrous metal cleanerRemove old sealant from crankcase mating surfaces with
To remove bearings from crankshaft use protective cap and special puller, as illustrated(See Tools section)PTOside
Bombardier sealant stripperCAUTION: Never use sharp object to scrape away old sealant as score marks incurred are detrimental to crankcase sealing,
Magneto side
DISASSEMBLY AND ASSEMBLY
(2) CD Crankcase halves are factory matched and therefore, are not interchangeable as single halvesPrior to joining of crankcase halves, apply" Loctite 515" (no, 413 7027) on mating surfacesPosition the crankcase halves together and tighten nuts (or bolts) by hand then install armature plate (tighten) on magneto side to correctly align the crankcase halves, Torque bolts to 21 Nom (15 h-Ibs) following illustrated