# Crankshaft end play — maximum (NA6)

Canonical URL: https://miatatorque.com/spec/crankshaft-end-play-limit-na6/

Applicability: NA 1990–1993 (B6) — 1991–1993 applicability inferred from 1990 within the owner-approved NA6 group.

Confidence: fsm

0.30 mm (0.012 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": "crankshaft-end-play-limit-na6",
  "name": "Crankshaft end play — maximum (NA6)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1990,
        1993
      ],
      "engines": [
        "B6"
      ],
      "note": "1991–1993 applicability inferred from 1990 within the owner-approved NA6 group."
    }
  ],
  "kind": "non-torque",
  "value_text": "0.30 mm (0.012 in)",
  "procedure": {
    "notes": "Measure after main caps are installed and tightened. Follow the B–64 thrust-bearing/crankshaft inspection procedure."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1990",
      "page": "B–64 (PDF p. 91)",
      "as_printed": "0.30mm (0.012 in)",
      "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": "reaudit-settings-na6",
  "componentName": "NA6 crankshaft inspection settings",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/crankshaft-end-play-limit-na6/"
}
```