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Pinion Gap Adjustment

  1. Disconnect field wire from solenoid "M" terminal. See Figure. Connect positive battery lead to "S" terminal and negative battery lead to starter case. Starter pinion drive gear will extend outward and stop.
  2. Quickly measure pinion gap between end of pinion drive and circlip retainer. See Fig 1. DO NOT operate starter solenoid for more than 10 seconds. Pinion gap should be .02-.08" (0.5-2.0 mm).
  3. If pinion gap is not within specification, adjust by increasing or decreasing thickness of solenoid shims located between solenoid and drive housing.
Fig 1: Checking & Adjusting Pinion Gap
G91F01832Courtesy of MAZDA MOTORS CORP.
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