1970-1973 Ski-Doo Snowmobiles Technical Data Manual, Page 71Get this manual
1972 DOUBLE CYLINDER ELECTRICAL START Applicable on: Valmont 440ER
MAGNETO GENERATOR
:::::::11'1 YLRD YL RD
TACHOMETER
BR FUSE 10 AmpBR
rlSPARK PLUG
HEADLAMP
OFF ON START RD RD