Ferguson Tractor TO-35, F-40, MH-50, MHF-202
Carter UT Updraft Carburetor 2612S
|Flange Size: 1″
Throttle Bore: 1 1/16″
Main Venturi: 13/16″
Jet, plug in fange body: .035″
Jet, lower bleed: .040″
Jet, Upper bleed: .035″
Idle Adjustment Screw 1/4 – 1 1/4 turns open. For richer mixture, turn screw out. Engine idle 450 +.
Float Setting: 11/64″. With throttle body inverted and gasket removed, measure 11/64″ between machined surface o fthrottle body and seam of float (both sides). To adjust, bend lip on float lever. Be careful not to put presser on the needle.
High Speed Adjustment: With hand throttle wide open and engine operating 2000 RPM, adjust high speed needle until smoothest engine operation is obtained. This setting will be found between 3/4 to 1 1/2 turns open.
Updated on 12/08/2020
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