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Home >> Mazda >> 1990 >> 626 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Carburetor Adjustments >> Choke Linkage (Fast Idle Opening Angle)

Choke Linkage (Fast Idle Opening Angle)

  1. Fully close choke valve. Position fast idle cam on second highest step. Measure clearance between primary throttle valve and throttle bore wall. See Fig 1 .
  2. Clearance should be within specification. Clearance is adjusted by rotating fast idle adjusting screw. See B2200 CARBURETOR ADJUSTMENT SPECIFICATIONS  table.
Fig 1: Adjusting Fast Idle Opening Angle
G62257Courtesy of MAZDA MOTORS CORP.