Showing specs for all NA & NB Miatas

Camshaft journal diameter (NA8)

Diameter: 1.0213—1.0222 in (25.940—25.965 mm)Diameter: 25.940—25.965mm {1.0213—1.0222 in}

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

Measure X and Y directions at both specified axial positions.

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