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Home >> Mercury >> 1983 >> Capri Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Carburetor - HOLLEY 4180-C 4-Bbl >> Adjustments >> Choke Unloader

Choke Unloader

  1. Hold throttle valves wide open. Apply light closing pressure on choke valve. See Fig 1 .
    Fig 1: Choke Unloader Adjustment Throttle valves must be in wide open position.
    G470
  2. Measure specified choke unloader clearance between lower edge of choke valve and air horn wall. To adjust, bend pawl on fast idle cam lever.