Showing specs for all NA & NB Miatas

Clutch pedal minimum disengagement height (NA 1.8)

68 mm (2.68 in), minimum, with carpet

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

Minimum distance from the upper pedal-pad surface to the carpet with the pedal fully depressed.

Applies to
  • NA 1994–1997 (BP, 5MT) — Other years in this family inferred from 1994 factory evidence with owner approval; actual-year verification is separate.
  • Verified in: 1994 Mazda MX-5 Miata Workshop Manual
Sources
  • 1994 Mazda MX-5 Miata Workshop ManualTier 1
    Page H–5 (PDF p. 340)
    Printed: “Minimum disengagement height 68mm {2.68 in} (With carpet)”

Also in Additional factory manual gap audit