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Home >> Mazda >> 1976 >> RX-4 4D Sedan, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> HITACHI 4-Barrel Carburetors >> On Vehicle Adjustments >> Float Drop
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Float Drop

With air horn held in its normal position, allow float to hang by its own weight. Measure distance between bottom of float and air horn gasket surface. See Fig 1. If distance is incorrect, bend float stopper to obtain proper distance.

Fig 1: Float Drop Adjustment
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