1980 Ski-Doo Shop Manual, Page 64Get this manual
SECTION 03 SUB-SECTION 02, (ENGINES)
BOTTOM END
CLEANING
Discard all all seals, gaskets, "0" nngs and sealing rings, Clean all metal components in non-ferrous metal
cleanerRemove old "Loctite" from crankcase mating
Because of cap nuts, cylinder studs have to be screwed into the crankcase so that they do not exceed further than 82.5 mm (3.250") on exhaust Side and 57.5 mm (2.260") on Intake Side
surfaces with Bombardier sealant stripperCAUTION: Never use sharp object to scrape
" away old sealant as score marks incurred are detrimental to crankcase sealing575 mm
DISASSEMBLYASSEMBLY
000Crankcase halves are factory matched and therefore, are not interchangeable or available as single halvesPrior to jOining of crankcase halves, apply light coat of "Loctlte 515" (413 702700) on mating surfacesCAUTION: Before joining of crankcase halves be
Sure that crankshaft rotary valve gear is well
Apply "Loctlte 242" on the threads of the two studs screwed above the intake ports Torque to 22 Nom (16 ft-Ibs), Torque to 14 Nom (10 ft-Ibs)At assembly on crankcase, apply "Loctlte 242" on threadsTorque to 35 Nom (26 ft-Ibs)lTo remove beanngs from crankshaft, use protective cap and special puller as Illustrated