1970-1973 Ski-Doo Snowmobiles Technical Data Manual, Page 51Get this manual
1970 DOUBLE CYLINDER ELECTRICAL START Applicable on Nordic 399E, 640E, Alpine 399ER, Invader 640ER
RECTIFIER YLI RD
LIGHT SWITCH 'f
MAGNETO-AGENERATOR IGNITION COILS
1Capacitor 2Breaker Points 3Cam 4Primary coil 5Lighting Coil 6Primary Coil 7Secondary Coil 8Hold-in Coil 9Pull-in Coil 10Fuse 11Spark Plug