# 6-speed manual transmission oil type and capacity (1999–2000)

Canonical URL: https://miatatorque.com/spec/six-speed-transmission-oil-capacity-2000/

Applicability: NB 1999–2000 (BP-4W, 6MT) — 1999 applicability is inferred from the 2000 owner’s manual; 1999 is not source-year verified.

Confidence: fsm

1.8 L / 1.9 US qt / 1.6 Imp qt · Manual transmission gear oil; API Service GL-4 or GL-5; SAE 75W-90

Always confirm against your factory manual. Match every restriction and follow all stages and procedure notes. Disputed claims must not be automatically resolved. The complete record below preserves every printed unit, source claim and procedure.

```json
{
  "id": "six-speed-transmission-oil-capacity-2000",
  "name": "6-speed manual transmission oil type and capacity (1999–2000)",
  "aliases": [
    "6-speed manual transmission oil type and capacity"
  ],
  "applies_to": [
    {
      "gen": "NB",
      "years": [
        1999,
        2000
      ],
      "engines": [
        "BP-4W"
      ],
      "trans": [
        "6MT"
      ],
      "note": "1999 applicability is inferred from the 2000 owner’s manual; 1999 is not source-year verified."
    }
  ],
  "kind": "capacity",
  "capacity": {
    "l": [
      1.8,
      1.8
    ],
    "qt_us": [
      1.9,
      1.9
    ],
    "qt_imp": [
      1.6,
      1.6
    ]
  },
  "fluid": {
    "type": "Manual transmission gear oil",
    "viscosity": "SAE 75W-90",
    "standard": "API Service GL-4 or GL-5"
  },
  "procedure": {
    "notes": "Approximate published quantity. Check the level using the cited manual; do not assume a drain-and-fill amount."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "owners-2000",
      "page": "10-3",
      "as_printed": "6-Speed transmission\nUS qt  Imp qt  Liter\n1.9  1.6  1.8",
      "capacity": {
        "l": [
          1.8,
          1.8
        ],
        "qt_us": [
          1.9,
          1.9
        ],
        "qt_imp": [
          1.6,
          1.6
        ]
      },
      "document": {
        "id": "owners-2000",
        "tier": 1,
        "title": "2000 Mazda MX-5 Miata Owner’s Manual",
        "covers": [
          {
            "gen": "NB",
            "years": [
              2000,
              2000
            ],
            "engines": [
              "BP-4W"
            ]
          }
        ],
        "url": "https://www.mazdausa.com/siteassets/pdf/owners-optimized/2000/mx5-miata/2000-mx-5-miata-owners-manual.pdf"
      }
    },
    {
      "source": "owners-2000",
      "page": "10-2",
      "as_printed": "API Service GL-4, GL-5\nSAE 75W-90",
      "fluid": {
        "type": "Manual transmission gear oil",
        "viscosity": "SAE 75W-90",
        "standard": "API Service GL-4 or GL-5"
      },
      "document": {
        "id": "owners-2000",
        "tier": 1,
        "title": "2000 Mazda MX-5 Miata Owner’s Manual",
        "covers": [
          {
            "gen": "NB",
            "years": [
              2000,
              2000
            ],
            "engines": [
              "BP-4W"
            ]
          }
        ],
        "url": "https://www.mazdausa.com/siteassets/pdf/owners-optimized/2000/mx5-miata/2000-mx-5-miata-owners-manual.pdf"
      }
    }
  ],
  "jobs": [
    "trans-fluid"
  ],
  "system": "transmission",
  "component": "transmission-fluids",
  "componentName": "Fluids & capacities",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/six-speed-transmission-oil-capacity-2000/"
}
```