Showing specs for all NA & NB Miatas

Differential oil type and capacity (1994)

1.06 US qt1 L1 L1.06 US qt0.88 Imp qtDifferential gear oil; API GL-5; SAE 90 above −18°C (0°F); SAE 80 below −18°C (0°F)
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Add the specified oil through the filler plug until the level reaches the bottom of the plug hole.

Applies to
  • NA 1994 (BP)
  • Verified in: 1994 Mazda MX-5 Miata Workshop Manual
Sources
  • 1994 Mazda MX-5 Miata Workshop ManualTier 1
    Page M–25
    1.06 US qt1 L1 L1.06 US qt0.88 Imp qtDifferential gear oil; API GL-5; SAE 90 above −18°C (0°F); SAE 80 below −18°C (0°F)
    Printed: “Above −18°C {0°F}: API GL–5, SAE 90 Below −18°C {0°F}: API GL–5, SAE 80 Capacity: 1.00 L {1.06 US qt, 0.88 Imp qt}”