Showing specs for all NA & NB Miatas

VVT oil pipe union at portion B numbered 5 (NB2)

  1. Temporary tightening at portion B. Printed kgf·cm range 26–61 is inconsistent and omitted.≈26–61 in·lbin·lb2.9–6.9 N·m2.9–6.9 N·m≈26–61 in·lb
  2. Final tightening, No. 5 in sequence on PDF p. 680.≈12–17 ft·lb15.7–23.5 N·m15.7–23.5 N·m≈12–17 ft·lb
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Use the complete seven-fastener sequence on PDF pp. 678–680. Temporary tightening is not the final torque. Use printed N·m; inconsistent secondary units do not change the factory N·m value.

Applies to
  • NB 2001–2005 (BP-Z3)
  • 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. 679
    1. Stage 1 — Temporary tightening at portion B. Printed kgf·cm range 26–61 is inconsistent and omitted.: ≈26–61 in·lbin·lb2.9–6.9 N·m2.9–6.9 N·m≈26–61 in·lb
    2. Stage 2 — Final tightening, No. 5 in sequence on PDF p. 680.: ≈12–17 ft·lb15.7–23.5 N·m15.7–23.5 N·m≈12–17 ft·lb
    Printed: “Temporary: 2.9—6.9 N·m {26—61 kgf·cm, 26—61 in·lbf}; final (PDF p. 680): No. 5: 15.7—23.5 N·m {1.6—2.3 kgf·m, 11.6—17.3 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