Carburetor: Specifications

ADJUSTMENT SPECIFICATIONS
Float Level Wet 23.6 mm (0.93 in)
Float Level Dry 8.33 mm (0.328 in)
Initial Choke Valve Clearance 2.99 mm (0.118 in)
Fast Idle Cam Setting 1.93 mm (0.076 in)
Automatic Choke Cover Setting (notches rich) Y
Choke Unloader 10.66 mm (0.420 in)
Curb Idle Speed In Drive Solenoid Actuated 600 RPM
Curb Idle Speed In Drive Solenoid Disconnected 500 RPM
Fast Idle Speed 1600 RPM
CALIBRATIONS
Throttle Bore Size 39.67 mm (1.562 in)
Main Venturi Size 30.73 mm (1.21 in)
Fuel Inlet Diameter 2.57 mm (0.101 in)
Low Speed Jet (Tube) 0.914 mm (0.036 in)
Economizer 1.55 mm (0.061 in)
Idle Air Bleed 2.18 mm (0.086 in)
Main Jet Number 55
High Speed Bleed 1.4 mm (0.055 in)
First Stage Power Valve Timing 30.39 kPa (9.0 in-Hg)
Second Stage Power Valve Timing 16.89 kPa (5.0 in-Hg)
Accelerator Pump Jet 0.609 mm (0.024 in)
Vacuum Spark Port Height 1.27 mm (0.050 in)
Vacuum Spark Port Width 2.16 mm (0.085 in)
Choke Heat Bypass 2.9 mm (0.114 in)
Choke Heat Inlet Restriction 1.93 mm (0.076 in)
Choke Vacuum Restriction 2.26 mm (0.089 in)