Showing specs for all NA & NB Miatas

Main bearing cap bolts

40–43 ft·lb54–58 N·m54–58 N·m40–43 ft·lb
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Applies to
  • NA 1994–1997 (BP)
  • NA 1990–1993 (B6)
  • Verified in: 1990 Mazda MX-5 Miata Workshop Manual; 1994 Mazda MX-5 Miata Workshop Manual
Sources
  • Part no. 1193-10-89C
    Page B–61
    40–43 ft·lb (54–59 N·m)
    Printed: “54—59 N·m (5.5—6.0 m-kg, 40—43 ft-lb)”
  • 1994 Mazda MX-5 Miata Workshop ManualTier 1
    Page B–63
    40–43 ft·lb (54–58 N·m)
    Printed: “54–58 N·m (5.5–6.0 kgf·m, 40–43 ft·lbf)”