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Fast Idle Bench Adjustment

Close choke valve. Position fast idle lever on first (high) step of fast idle cam. Measure clearance between primary throttle valve and wall of throttle chamber. See Fig 1 . Refer to the CARBURETOR ADJUSTMENT SPECIFICATIONS  table. If value is not as specified in table, adjust using fast idle speed adjusting screw.

Fig 1: Adjusting Fast Idle Speed
G118437Courtesy of SUBARU OF AMERICA, INC.