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Fuel Specs - CJ-3B

Description:

Fuel system illustration shown for reference only - click here to shop for these parts by interactive diagram

Fuel System Diagram

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Fuel Tank Specs:
Capacity10 1/2 gal.
LocationUnder Driver's Seat
Fuel Pump Specs:
MakeAC
Model5594032
TypeCamshaft
Pressure2 1/2" to 3 3/4 lb.
Carburetor Specs:
MakeCarter
ModelYF-938 SD
Flange Size1 1/4"
Primary Venturi11/32"
Secondary Venturi11/32"
Main Venturi1 1/4"
Float Setting5/16"
Gasoline Intake Needle SeatNo. 48 (.076") drill
Jet SizeNo. 70 (.028") drill
By-PassNo. 56 (.0465") drill
Idle BleedNo. 56 (.0465") drill
EconomizerNo. 54 (.055") drill
Idle Well to Bowl BleedNo. 73 (.024") drill
Idle Port.184" x .030"
Lower Port (for idle adjustment screw)3/4 to 1 3/4 turns open
Main Nozzle Anti-Percolator
Well Vent in PlugNo. 74 (.0225") drill
Metering Rod.07325" x .0655" x .057" x .04725"
Metering Rod Jet.0935" dia.
Accelerating Pump Specs:
Pump JetNo. 68 (.031") drill
Intake PassageNo. 72 (.025") drill
Discharge Check SeatNo. 42 (.0935") drill
Vacuum RestrictionNo. 55 (.052") drill
Vacuum Passage (Diaphragm Bleed)No. 65 (.035") drill
Vacuum Spark Port.054" to .056 dia.
Air Cleaner Specs:
MakeDonaldson
Model1038A36
TypeOil Bath
Oil Capacity1 1/4 pt.

* Learn more about the Fuel System from the Service Manual for Universal Jeep Vehicles page 93, 94

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