1986 Ski-Doo Factory Shop Manual, Page 88Get this manual
Section 02 ENGINE Sub-section 04 (447 ENGINE TYPE)
i2f 31415
Swd M8 173 (8) Upper crankcase Rubber plug 15) Cable grommer 01 seal P- T.osIde Ball bearing 6206 (2) Shim 121 Spacer Crankshaft Woodruff! key Ii 3.7 Locrle 242 Ball bearing 6207 Oil seal, magnelO side Lock washer 22 mm toCtlle 242
16Hexagonal nUl 22 xl, 5
1718, 19, 202'-
O-ring Lower crank,c:asf!
Loclice 515 Lock washer mm (1 OJ Cylinder screw MB 45 (2) 22LocCite 242
23Swd M10 25 14) 24Lvck washer 10 mm (4)
25Hexagonal nUl 70
26Hexagonal screw Me 70 161 27Lock washer mm (4) 28Hexagonal screw M6 40 (41 29Hexagonal screw M& II 75 (2)
CLEANING
Discard all seals, gaskets, and O-ringsClean all metal components in non-ferrous metal cleanerRemove old sealant from crankcase mating surfaces with Bombardier sealant stripper
INSPECTION
The Inspection of the engine bottom end must include the following measurements:
TOLERANCES MEASUREMENTS FITTING NEW PARTS (MIN (MAX WEAR LIMIT
_ CAUTION: Never use sharp object to scrape away old sealant as score marks Incurred are detrimental to crankcase sealing