Showing specs for all NA & NB Miatas

Five-speed change control case — oil specification & capacity (2003)

4.9–5.8 cu in80–95 ml80–95 ml4.9–5.8 cu inManual transmission gear oil; API service GL 4 or GL 5; SAE 75W-90
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Separate change control case quantity after extension-housing removal or transmission overhaul. Do not substitute this for the main transmission oil capacity.

Applies to
  • NB 2003 (BP-Z3, 5MT)
  • Verified in: 2003 Mazda MX-5 Miata Workshop Manual (electronic manual capture)
Sources
  • 2003 Mazda MX-5 Miata Workshop Manual (electronic manual capture)Tier 1
    Page PDF p. 1367
    4.9–5.8 cu in80–95 ml80–95 ml4.9–5.8 cu inManual transmission gear oil; API service GL 4 or GL 5; SAE 75W-90
    Printed: “Grade: API service GL 4 or GL 5 Viscosity: SAE 75W-90 Capacity (approximate quantity): 80—95 ml (80—95 cc, 4.9—5.8 cu in}”

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