# Shift fork to clutch hub sleeve clearance (NA6 5MT)

Canonical URL: https://miatatorque.com/spec/shift-fork-hub-sleeve-clearance-na6-5mt/

Applicability: NA 1990–1993 (B6, 5MT) — 1991–1993 inferred from 1990 factory evidence; actual-year verification is separate.

Confidence: fsm

Standard 0.2–0.3 mm (0.008–0.012 in); maximum 0.5 mm (0.020 in)

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": "shift-fork-hub-sleeve-clearance-na6-5mt",
  "name": "Shift fork to clutch hub sleeve clearance (NA6 5MT)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1990,
        1993
      ],
      "engines": [
        "B6"
      ],
      "trans": [
        "5MT"
      ],
      "note": "1991–1993 inferred from 1990 factory evidence; actual-year verification is separate."
    }
  ],
  "kind": "non-torque",
  "value_text": "Standard 0.2–0.3 mm (0.008–0.012 in); maximum 0.5 mm (0.020 in)",
  "procedure": {
    "notes": "Measure between the clutch hub sleeve and shift fork. Inspect hub/sleeve operation, teeth and synchronizer keys for damage, wear or cracks."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1990",
      "page": "J–24 (PDF p. 356)",
      "as_printed": "Standard clearance: 0.2—0.3mm (0.008—0.012 in)\nMaximum: 0.5mm (0.020 in)",
      "verified_years": [
        1990,
        1990
      ],
      "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": "transmission",
  "component": "inventory-pass-2026-10",
  "componentName": "Service measurements and fasteners",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/shift-fork-hub-sleeve-clearance-na6-5mt/"
}
```