Showing specs for all NA & NB Miatas

Cylinder bore out-of-round (NA8)

Out-of-round: 0.0007 in (0.019 mm) max.Out-of-round: 0.019mm {0.0007 in} max.

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

Difference between X and Y measurements; rebore oversize if excessive.

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