Showing specs for all NA & NB Miatas

Main bearing support plate bolts (NB2)

12–15 ft·lb16–21 N·m16–21 N·m12–15 ft·lb
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Apply sealant at the illustrated joints.

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. 701
    12–15 ft·lb (16–21 N·m)
    Printed: “16—21 {1.6—2.2, 12—15} N·m {kgf·m, ft·lbf}”