With its central float chambers, full calibration capabilities, compact alloy body and wide variety of available sizes, the IDF Series has been and continues to be the winning choice for a synchronous, 2 barrel, downdraft carburetor. The IDF features diaphragm type accelerator pump circuits and ball bearing throttle shafts. Offering relative low cost for performance gained, the IDF is hard to beat.
Factory Calibrations are;
40mm chokes, 4.5 aux venturi, F2 emulsion tube, 150 main jet, 180 air corrector, 55 idle jet, 50 pump jet, blank spill jet, 200 needle valve
The air horns are 56mm in height