# Intake manifold bracket bolts (NA6)

Canonical URL: https://miatatorque.com/spec/intake-manifold-bracket-bolts-na6/

Applicability: NA 1990–1993 (B6) — Other years in this family inferred from 1990 factory evidence with owner approval; actual-year verification is separate.

Confidence: fsm

27–40 ft·lb / 36–54 N·m

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": "intake-manifold-bracket-bolts-na6",
  "name": "Intake manifold bracket bolts (NA6)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1990,
        1993
      ],
      "engines": [
        "B6"
      ],
      "note": "Other years in this family inferred from 1990 factory evidence with owner approval; actual-year verification is separate."
    }
  ],
  "kind": "torque",
  "torque": {
    "nm": [
      36,
      54
    ],
    "kgfm": [
      3.7,
      5.5
    ],
    "ftlb": [
      27,
      40
    ]
  },
  "procedure": {
    "notes": "1990 and 1992 factory B6 range; keep distinct from the later BP 38–51 N·m range. Existing grouped record will be narrowed to BP."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1990",
      "page": "B–80 (PDF p. 107)",
      "as_printed": "36—54 N·m (3.7—5.5 m-kg, 27—40 ft-lb)",
      "verified_years": [
        1990,
        1990
      ],
      "torque": {
        "nm": [
          36,
          54
        ],
        "kgfm": [
          3.7,
          5.5
        ],
        "ftlb": [
          27,
          40
        ]
      },
      "document": {
        "id": "fsm-1990",
        "tier": 1,
        "title": "1990 Mazda MX-5 Miata Workshop Manual",
        "part_number": "1193-10-89C",
        "covers": [
          {
            "gen": "NA",
            "years": [
              1990,
              1990
            ],
            "engines": [
              "B6"
            ]
          }
        ],
        "url": "https://archive.org/details/1990-mazda-mx-5-miata-workshop-manual_202411"
      }
    },
    {
      "source": "fsm-1992",
      "page": "B–80 (PDF p. 116)",
      "as_printed": "36—54 N·m (3.7—5.5 m-kg, 27—40 ft-lb)",
      "verified_years": [
        1992,
        1992
      ],
      "torque": {
        "nm": [
          36,
          54
        ],
        "kgfm": [
          3.7,
          5.5
        ],
        "ftlb": [
          27,
          40
        ]
      },
      "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": [
    "intake-manifold"
  ],
  "system": "fuel-intake",
  "component": "gap-followup-2026-10",
  "componentName": "Additional factory manual gap audit",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/intake-manifold-bracket-bolts-na6/"
}
```