1986 Ski-Doo Factory Shop Manual, Page 192Get this manual
Section 02 ENGINE Sub-section 09 (537 ENGINE TYPEI
, Loctite 242
Il!, a-ring (21
7 O-ring 18 O-ring 121 19Loctlle 575 20, Crankcase lower half 27 Lock washer mm (ZI 22Hexscrew M6 35 121 23 Cylinder screw MB 75121 24Hexagonal nul MID 25Angular rube, oil outlet 2fLock washer mm 114! 27Hexscrew MB 65 IfI 28Cyl, screw M8 45 IfI 29Stud MIO) 42 30Lock washer 10 mm
2Stud M8 79 181 3An'fjular lube, oil inlel
4Plug 5Crankcase upper lJalf
1213, 1415
7Ball bearing 6207 (2) Labyrinth sleeve Disanee ring
Crankshaft Woodruff key : 3,7
Distance ring Ball bearing 6206 12 Shim mm Seal
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 equivalentCAUTION: 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: