1985 Ski-Doo snowmobile Service Manual, Page 184Get this manual
Section 02 ENGINE Sub-section 09 (537 ENGINE TYPE)
1 234 B910 1112 131415 16
Loctite 242 Stud MB 79 IBI Angular tube, all inlet Plug Crankcase upper half Seal Ball bearing 6207 121 Labyrinth sleeve Distance ring Crankshaft Woodruff key 3, Distance ring Bail bearing 6206 (2) Shim mm Seal G-ring 121
17 lB19 20 21 22 23 24 25 26 272B 29 3031
Gring Gnng 12) Loctlte 515 Crankcase lower half Lock washer mm 121 Hexscrew M6 35 (2) Screw MB 40 141 Lock washer mm 141 Angular tube, oil outlet Lock washer mm 1101 Hexscrew MB 64 IBI Hexscrew MB 45 121 Stud M10 42 Lock washer 10 mm Hexnut MIO
CLEANING
Discard all oil seals, gaskets, a-rings and sealing ringsClean all metal components in non-ferrous metal cleanerRemove old Loctite from crankcase mating surfaces with Bombardier sealant stripper or equivalent
INSPECTION
The inspection of the engine bottom end must include the following measurements:
TOLERANCES
MEASUREMENTS
Crankshaft deflection Connecting rod big end axial play