Showing specs for all NA & NB Miatas

Engine oil type (1999)

Engine oil; API Service SG (Energy Conserving II), SH (Energy Conserving II) or ILSAC (GF-I); SJ or ILSAC (GF-II); SAE 10W–30 above −25°C (−13°F); SAE 5W–30 below 0°C (32°F)
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Applies to
  • NB 1999 (BP-4W)
  • Verified in: 1999 Mazda MX-5 Miata Workshop Manual
Sources
  • Page 01–50–2
    Engine oil; API Service SG (Energy Conserving II), SH (Energy Conserving II) or ILSAC (GF-I); SJ or ILSAC (GF-II); SAE 10W–30 above −25°C (−13°F); SAE 5W–30 below 0°C (32°F)
    Printed: “API Service SG (Energy Conserving II), SH (Energy Conserving II) or ILSAC (GF-I) SJ or ILSAC (GF-II) Above −25 °C {−13 °F} SAE 10W–30 Below 0 °C {32 °F} SAE 5W–30”

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