Showing specs for all NA & NB Miatas

Front brake pad remaining lining — minimum (NA6)

Thickness: 0.04 in (1.0 mm) min.Thickness: 1.0 mm (0.04 in) min.

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

Remaining friction lining thickness; backing plate is not included.

Applies to
  • NA 1990–1993 (B6) — Other years inferred from 1990 factory evidence.
  • Verified in: 1990 Mazda MX-5 Miata Workshop Manual