1981 Ski-Doo Shop Manual Supplement, Page 47Get this manual
SECTION 03 SUB-SECTION 02 (ENGINES )
CLEAN IN G
Discard all seals, gaskets and "0" rings Clean all metal components in non-ferrous metal cleaner Remove old sealant from crankcase mating surfaces with Bombardier sealant stripperCAUTION: Never use sharp object to scrape away old sea lant as score marks incurred are detrimenta to crankcase sealing_
'To remove ba ll bearings from crankshaft, use special puller (see Tools, 01 page 4)
PT.Oside
DISASSEMBLY AND ASSEMBLY
Prior to installation, place bearings into an oil container heated to lOOC (212F) This will expand bearings and ease installation Install bearings with groove as per exploded view