Showing specs for all NA & NB Miatas

A/C drive belt deflection — used belt (NA 1.8)

9.0–10.0 mm {0.35–0.39 in} under 98 N {10 kgf, 22 lbf}

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

Apply stated98N midway along indicated span. Both with/withoutP/S tables identical. New/used states separate. Arrow indicates crankshaft-to-P/S span withP/S; crankshaft-to-idler span withoutP/S.

Applies to
  • NA 1994–1997 (BP) — 1995–1997 applicability inferred from 1994 within the owner-approved year group.
  • Verified in: 1994 Mazda MX-5 Miata Workshop Manual