1970-1973 Ski-Doo Snowmobiles Technical Data Manual, Page 8Get this manual
1971 MODEL
1971 NORDIC AND SKANDIC SPECI FICATIONS
Illustrated MODEL 399E
ITEM ENGINE Noof Cylinders Bore Stroke Displacement Compression Ratio Overall Length Overall Width Height WO Windshield Weight (Lbs Bearing Area Ground Pressure (P.S.J Track (Width) Standard Gear Ratio Starting Lighting Coil (Watts) Spark Plug (Bosch) Spark Plug (Gap) Breaker Points (Gap) Tank Capacity-ImpTank Capacity-U.SRatio (GasOil) Type Speedometer Tachometer