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HITACHI 4-Barrel: Overhaul: Reassembly

  1. To assemble, reverse disassembly procedures, noting the following: Discard all old gaskets, replace with new ones. Clean and inspect all parts. Prevent primary and secondary system parts from becoming mixed.
  2. When installing bi-metal spring housing, fit choke shaft lever to bi-metal spring by closing choke valve and pulling vacuum diaphragm shaft.
    CARBURETOR ADJUSTMENT SPECIFICATIONS

    Application Float Level In. (mm) Float Drop In. (mm) Choke Linkage In. (mm) Accel. Cable Free Play In. (mm) Choke Valve Opening In. (mm)
    RX7 .61-.65 (15.5-16.5) 1.98-2.02 (50.5-51.5) .03-.04 (0.8-1.0) .04-.12 (1-3) .22-.24 (5.5-6.2)
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