Showing specs for all NA & NB Miatas

Front brake disc runout — maximum (NA8)

0.004 in (0.1 mm) maximum0.1 mm {0.004 in} maximum

Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Secure disc to hub using two wheel nuts. Measure at outer edge of disc surface.

Applies to
  • NA 1994–1997 (BP) — Other years inferred from 1994 factory evidence.
  • Verified in: 1994 Mazda MX-5 Miata Workshop Manual