Showing specs for all NA & NB Miatas

Differential oil specification & capacity (1992)

0.69 US qt0.65 L0.65 L0.69 US qt0.57 Imp qtDifferential gear oil; API GL-5; Above −18°C (0°F): SAE 90; Below −18°C (0°F): SAE 80W
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Fill to the bottom/brim of the filler hole on level ground. Capacity is not permission to overfill.

Applies to
  • NA 1992 (B6)
  • Verified in: 1992 Mazda MX-5 Miata Workshop Manual
Sources
  • 1992 Mazda MX-5 Miata Workshop ManualTier 1
    Part no. 1271-10-91G (9999-95-0428-92)
    Page M–25 (PDF p. 581)
    0.69 US qt0.65 L0.65 L0.69 US qt0.57 Imp qtDifferential gear oil; API GL-5; Above −18°C (0°F): SAE 90; Below −18°C (0°F): SAE 80W
    Printed: “Above −18°C (0°F): API GL-5, SAE 90 Below −18°C (0°F): API GL-5, SAE 80W Capacity: 0.65 liter (0.69 US qt, 0.57 Imp qt)”