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Home >> Mazda >> 1983 >> GLC Base >> Repair and Diagnosis >> Engine Performance >> System >> Carburetor - HITACHI 2-Bbl >> Adjustments >> Secondary Throttle Clearance

Secondary Throttle Clearance

  1. Secondary throttle valve begins to open when primary throttle valve opens 57°.
  2. To check adjustment, measure clearance between primary throttle valve and wall of throttle chamber, as secondary throttle valve begins to open.
  3. If adjustment is necessary, bend connecting rod to obtain specifications. See Fig 1 .
Fig 1: Secondary Throttle Clearance Adjustment
G74076
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