1984 Ski-Doo Shop Manual, Page 132Get this manual
SECTION 02 ENGINE SUB-SECTION 06 (503 ENGINE TYPE)
7Suppon
2Hexwasher head powerlock screw
3456Clip Clip nut (4) (njection oil tank Grommet Oil lever switch Gasket Oil tank cap Spring clip (3) Oilline 70.2 mm Filter Oil line 70.2 mm Spring clip Oil pump mounting flange Oil pump Washer 6,2 mm (2) Oil pump gear 27 teerh Lock nur mm Taprite screw M5 76 (2) Needle roll 84 77.B Washer 4,3 mm Gear teeth Oil banjo gasket (4)
70 7772737475
76777879
25Banjo (2) Banjo bolt (2) Oil line 230mm OlIine 360mm Clamp (4) Rubber ring (2) Taptite screw M5 76 (4) Spring 33Washer 34Lever 35Lockwasher mm 36Hexnut mm 37Washer 38Hexhead screw M6 39Seal 40Retainer 47O-Ring 42Plate 43Screw with lock washer (8) 44StOP pin 45Gasket 46Cam casing plate 47Oil injection 48Gasket set
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Pans in illustration marked with are not available as spare pans
CLEANING
Clean all metal components in non-ferrous metal cleaner
ASSEMBLY
18, Oil PUrllP gear
At gear assembly, apply light coat of grease on gear teeth