# Engine mount bracket to block bolts — left and right (NA6)

Canonical URL: https://miatatorque.com/spec/engine-mount-bracket-to-block-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": "engine-mount-bracket-to-block-bolts-na6",
  "name": "Engine mount bracket to block bolts — left and right (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": "Bracket to block bolts, not the mount-to-crossmember nuts. Left mount has the same printed range on B–82 (PDF p. 109)."
  },
  "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-1990",
      "page": "B–82 (PDF p. 109)",
      "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
        ]
      },
      "note": "Left-side bracket; B–80 covers the right-side bracket.",
      "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"
      }
    }
  ],
  "jobs": [],
  "system": "engine",
  "component": "gap-followup-2026-10",
  "componentName": "Additional factory manual gap audit",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/engine-mount-bracket-to-block-bolts-na6/"
}
```