Showing specs for all NA & NB Miatas

Rear brake pad remaining lining — minimum (NB1)

0.04 in (1.0 mm) minimum1.0 mm {0.04 in} minimum

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

Remaining friction lining, excluding backing plate. Inspect for contamination, abnormal wear and heat damage.

Applies to
  • NB 1999–2000 (BP-4W) — Other years inferred from 1999 factory evidence.
  • Verified in: 1999 Mazda MX-5 Miata Workshop Manual