1986 Ski-Doo Factory Shop Manual, Page 156Get this manual
Section 02 ENGINE Sub-section 07 (503 ENGINE
MAGNETO
1Armature plate
2Generating (;01 3, Lock washer mm (21 4Cvlindrical sloned head screw M5 )( 35 (2} 5Lighting CDI1 6Screw M6 25 f2} 7wcrlFe 242 (blue, medium SfrongrM BHarness 9Splice connector (6) 70Prol'eCfOr tube 11Flywheel 12Washer 5.5 mm (2) 73 Lock washer mm (21 14Allen screw M5 18 (2J
15V-belt pulley i6Srarring pulley