1970-1973 Ski-Doo Snowmobiles Technical Data Manual, Page 42Get this manual
YEAR 1972 ,-'"
ENGINE TYPE CC
MAGNETO OUTPUT WATTS
HEADLAMP WATTS
TAILLIGHT WATTS VEHICLE
247 247E 292 302 337 337E 343 401 401E 434 434E 435 640E
247 247 292 299 335 335 339 399 399 437 437 437 635 635
40 75 75 40 40 75 75 75 75 75 75 75 120 75 75