Showing specs for all NA & NB Miatas

Cylinder head rear bracket nut (NB2)

≈79–112 in·lbin·lb8.9–12.7 N·m8.9–12.7 N·m≈79–112 in·lb
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Small-fastener callout uses kgf·cm and in·lbf magnitudes despite the figure's kgf·m/ft·lbf legend. Use printed N·m; inconsistent secondary units do not change the factory N·m value.

Applies to
  • NB 2001–2005 (BP-Z3)
  • NB 2004–2005 (BP-Z3-TURBO)
  • Verified in: 2005 Mazda MX-5 Miata Workshop Manual (electronic manual capture)
Sources
  • 2005 Mazda MX-5 Miata Workshop Manual (electronic manual capture)Tier 1
    Page PDF p. 654
    ≈79–112 in·lb (8.9–12.7 N·m)
    Printed: “8.9-12.7 {90-130, 79-112}; figure legend: N·m {kgf·m, ft·lbf}”
    Printed N·m is authoritative per owner instruction. Secondary-unit misprints are preserved in as_printed but omitted from structured torque.

Also in Cylinder head & camshafts