# Five-speed change control case — oil specification & capacity (1992)

Canonical URL: https://miatatorque.com/spec/five-speed-change-control-case-oil-capacity-1992/

Applicability: NA 1992 (B6, 5MT)

Confidence: fsm

80–95 cc / 4.9–5.8 cu in · Manual transmission gear oil; API service GL-4 or GL-5; All season: SAE 75W-90; Above 10°C (50°F): SAE 80W-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": "five-speed-change-control-case-oil-capacity-1992",
  "name": "Five-speed change control case — oil specification & capacity (1992)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1992,
        1992
      ],
      "engines": [
        "B6"
      ],
      "trans": [
        "5MT"
      ]
    }
  ],
  "kind": "capacity",
  "capacity": {
    "cc": [
      80,
      95
    ],
    "cu_in": [
      4.9,
      5.8
    ]
  },
  "fluid": {
    "type": "Manual transmission gear oil",
    "viscosity": "All season: SAE 75W-90; Above 10°C (50°F): SAE 80W-90",
    "standard": "API service GL-4 or GL-5"
  },
  "procedure": {
    "notes": "Separate change control case quantity after extension-housing removal or transmission overhaul. Do not substitute this for the main transmission oil capacity."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1992",
      "page": "J–47 (PDF p. 391)",
      "as_printed": "Grade: API service GL-4 or GL-5\nAll season: SAE 75W-90\nAbove 10°C (50°F): SAE 80W-90\nSpecified amount: 80–95 cc (4.9–5.8 cu in)",
      "capacity": {
        "cc": [
          80,
          95
        ],
        "cu_in": [
          4.9,
          5.8
        ]
      },
      "fluid": {
        "type": "Manual transmission gear oil",
        "viscosity": "All season: SAE 75W-90; Above 10°C (50°F): SAE 80W-90",
        "standard": "API service GL-4 or 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": [],
  "system": "transmission",
  "component": "transmission-fluids",
  "componentName": "Fluids & capacities",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/five-speed-change-control-case-oil-capacity-1992/"
}
```