1970-1979 Ski-Doo Snowmobiles Service Manual, Page 116Get this manual
FUEL SYSTEM Table TILLOTSON CARBURETOR SPECIFICATIONS (continued) Low Speed Adjustment (Turns) High Speed Adjustment (Turns)
Model T'NT (con't 440 (1972) 440 (1973) 440 and Everest (1974-1975) 440 and Everest (1976) 400 FI (1972) 340 FA (1973-1974) 400 FA (1973-1974) 340 FI (1975) 440 FI (1974) 440 FA (1975)
Carburetor
Idle Speed (rpm)
HD-83A HD-I09A HD-138A HD-147A HD-I04A (2) HR-149A (2) HD-123A (2) HR-168A (2) HRM3A (2) HRM-5A (2)
1 14 1,4 IV!3
1,500-1,800