Carb Settings and Notes for '77 Suzuki GS400B/XB
Mikuni Type First Gen BS34
Carb ID 44010-44012
Main Jet - 112.5
Idle Jet - 22.5
Fuel Passage Plug - No
Jet Needle - 4F23-3
Needle Jet - Y0
Float Height - 26.3mm +- 1mm
Air Screw - 3/4-1 1/4 Turn
Carb Settings and Notes for '78 Suzuki GS400C/XC
Mikuni Type First Gen BS34
Carb ID 44020-44030
Main Jet - 110
Idle Jet - 20
Fuel Passage Plug - No
Jet Needle - 4F24-3
Needle Jet - Y5
Float Height - 26.3mm +- 1mm
Air Screw - 3/4-1 1/4 Turn
Carb Settings and Notes for '79 Suzuki GS425 ALL
Mikuni Type First Gen BS34
Carb ID 44060
Main Jet - 110
Idle Jet - 20
Fuel Passage Plug - No
Jet Needle - 4F24-3
Needle Jet - Y6
Float Height - 26.3mm +- 1mm
Air Screw - 3/4-1 1/4 Turn