1984 Ski-Doo Shop Manual, Page 78Get this manual
SECTION 02 ENGINE SUB-SECTION 04 (447 ENGINE TYPE)
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Stud M8 773 (8) Upper crankcase Rubber plug (5) Cable grommer Oil seal PTOside 8all bearing 620.6 (2) Shim (2) Spacer Crankshaft Woodrufff key 3.7Locrire 242Ball bearing 620.7 Oil seal, magnero side Lockwasher 22 mm "Locrire 242"
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Hexagonal nur 22 7.5 "0" ring Lower crankcase "Locrire 575" Lockwasher mm (70 Hexagonal screw M8 45 (2) "Locrire 242" Stud M7ox 25 (4) Lockwasher 70mm (4) Hexagonal nur M7D (4) Hexagonal screw M8 70(8) Lockwasher mm (8) Hexagonal screw M6 40 (4) Allen screw M6 3D (4) Ring gear
CLEANING
Discard all seals, gaskets and "0" rings Clean all metal components in non-ferrous metal cleanerRemove old sealant from crankcase mating surfaces with Bombardier sealant stripper CAUTION: Never use sharp object to scrape away old sealant as score marks incurred are detrimental to crankcase sealing
INSPECTION
The inspection of the engine bottom end must include the following measurements:
TOLERANCES MEASUREMENTS FITTING NEW PARTS (MIN (MAX WEAR LIMIT