Showing specs for all NA & NB Miatas

Accessory drive belt tension — used belt (NA6)

422–491 (43–50, 95–110) N (kg, lb)422–491 (43–50, 95–110) N (kg, lb)

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

Measure with the factory belt-tension gauge; may be measured between any pulleys. Applies to alternator, P/S, P/S+A/C and A/C-only belt arrangements.

Applies to
  • NA 1990–1993 (B6) — Other years inferred from 1990 factory evidence.
  • Verified in: 1990 Mazda MX-5 Miata Workshop Manual