Showing specs for all NA & NB Miatas

Proportioning bypass valve bolts (non-ABS) (NB2)

70–104 in·lb in·lb7.9–11.7 N·m7.9–11.7 N·m70–104 in·lb in·lb
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

The manual's procedure covers both cars: proportioning bypass valve (without ABS) or brake pipe joint (with ABS). Same torque for both.

Applies to
  • NB 2001–2005 (BP-Z3, non-ABS)
  • NB 2004–2005 (BP-Z3-TURBO, non-ABS)
  • 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. 1313
    70–104 in·lb (7.9–11.7 N·m)
    Printed: “7.9—11.7 {80—120, 70—104} N·m {kgf·cm, in·lbf}”
  • Mitchell1 2005 MX-5 Miata: brakesTier 2
    Page PDF p. 32
    70–104 in·lb (7.9–11.7 N·m)
    Printed: “7.9—11.7 {80—120, 70—104} N·m {kgf·cm, in·lbf}”
    Reproduces the same Mazda diagram as the factory citation; this is an additional lookup location, not independent evidence. Numeric claims checked against the reproduced diagram.

Also in Brake lines & master cylinder