1989 Ski-Doo Repair Manual, Page 126Get this manual
Section 02 ENGINE Sub-section 05 (503 ENGINE TYPE)
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Cylinder flange gasket (2) Cylinder (2) Cylinder head gasket (2) Cylinder head (2) Washer 8.4 mm (4) Hexagonal nut MB (4Washer 8.4 mm (4) Distance nut M8 37 mm (4) Intake manifold gasket (4) Intake manifold (Safari CheyenneAlpine II 503 Lock washer mm (4) Hexagonal bolt M8 40 mm (2) (Safari CheyenneAlpine II 503 O-ring (Safari CheyenneAlpine II 503 Intake manifold cover (Safari CheyenneAlpine II 503
only) only) only)
15Hexagunal bolt MB 64 mm (2) (Safari CheyenneAlpino II 503 only) 16Lock washer mm (2) (Safari CheyenneAlpine II 503 only) 17Hexagonal bult M6 30 mm (2) (Safari CheyenneAlpine II 503 only) 18Noise damper 19damper (short) (4) 20Noise damper (long) (4) 21Piston (2) 22Rectangular ring (2) 23Semi-trapez ring (2) 24Needle bearing (2) 25Piston pin (2) 26Circlip (4) 27Cylindrical screw MB 30 (4) (VoyageurEscapade only) 28Intake socket (2) (VoyageurEscapade only)
NOTE: The following procedures can be done without removing the engine from chassis