Carburetor - DFB 306 2-Barrel HITACHI: Overhaul: Disassembly
- Disconnect 3 hoses and accelerator pump lever from carburetor air horn. Remove 5 air horn mounting screws and loosen idle up bracket screw.NOTE: Never loosen the 4 screws mounting thermo element at this point.
- Remove float, needle valve, needle valve seat and filter from air horn. Remove 2 return springs and 2 screws mounting micro switch bracket to remove micro switch bracket.
- Remove both primary and secondary main jet plugs and remove both main jets from side of float chamber (keeping jets in correct order). Separate throttle chamber from float chamber after removing four screws from lower throttle chamber.