# Differential oil specification & capacity (1992)

Canonical URL: https://miatatorque.com/spec/differential-oil-capacity-1992/

Applicability: NA 1992 (B6)

Confidence: fsm

0.65 L / 0.69 US qt / 0.57 Imp qt · Differential gear oil; API GL-5; Above −18°C (0°F): SAE 90; Below −18°C (0°F): SAE 80W

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": "differential-oil-capacity-1992",
  "name": "Differential oil specification & capacity (1992)",
  "aliases": [
    "Differential oil specification & capacity"
  ],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1992,
        1992
      ],
      "engines": [
        "B6"
      ]
    }
  ],
  "kind": "capacity",
  "capacity": {
    "l": [
      0.65,
      0.65
    ],
    "qt_us": [
      0.69,
      0.69
    ],
    "qt_imp": [
      0.57,
      0.57
    ]
  },
  "fluid": {
    "type": "Differential gear oil",
    "viscosity": "Above −18°C (0°F): SAE 90; Below −18°C (0°F): SAE 80W",
    "standard": "API GL-5"
  },
  "procedure": {
    "notes": "Fill to the bottom/brim of the filler hole on level ground. Capacity is not permission to overfill."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1992",
      "page": "M–25 (PDF p. 581)",
      "as_printed": "Above −18°C (0°F): API GL-5, SAE 90\nBelow −18°C (0°F): API GL-5, SAE 80W\nCapacity: 0.65 liter (0.69 US qt, 0.57 Imp qt)",
      "capacity": {
        "l": [
          0.65,
          0.65
        ],
        "qt_us": [
          0.69,
          0.69
        ],
        "qt_imp": [
          0.57,
          0.57
        ]
      },
      "fluid": {
        "type": "Differential gear oil",
        "viscosity": "Above −18°C (0°F): SAE 90; Below −18°C (0°F): SAE 80W",
        "standard": "API GL-5"
      },
      "document": {
        "id": "fsm-1992",
        "tier": 1,
        "title": "1992 Mazda MX-5 Miata Workshop Manual",
        "part_number": "1271-10-91G (9999-95-0428-92)",
        "covers": [
          {
            "gen": "NA",
            "years": [
              1992,
              1992
            ],
            "engines": [
              "B6"
            ]
          }
        ],
        "note": "Cover identifies model year 1992; the download folder name is not evidence for 1993."
      }
    }
  ],
  "jobs": [
    "diff-fluid"
  ],
  "system": "driveshaft-differential",
  "component": "driveshaft-differential-fluids",
  "componentName": "Fluids & capacities",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/differential-oil-capacity-1992/"
}
```