LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 1987 >> XT GL, Standard >> Repair and Diagnosis (Single Page) >> Electrical >> Starter - Reduction Gear >> Testing >> Component Testing >> Commutator
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Testing: Commutator

  1. If out-of-round is more than .002" (.05 mm), turn the commutator on a lathe until out-of-round is within specification.
  2. Wear or cutting limit of commutator is 1.08" (27.5 mm) on Mitsuba starters or 1.14" (29.0 mm) for all others.
  3. If worn less than .008" (.20 mm), insulating mica should be undercut to a depth of approximately .015-.031" (.40-.80 mm) on all models.