# Mainshaft-to-gear/bush maximum clearance (NA8 5MT)

Canonical URL: https://miatatorque.com/spec/mainshaft-gear-clearance-limit-na8-5mt/

Applicability: NA 1994–1997 (BP, 5MT) — 1995–1997 inferred from 1994 factory evidence; actual-year verification is separate.

Confidence: fsm

Maximum 0.15 mm {0.006 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": "mainshaft-gear-clearance-limit-na8-5mt",
  "name": "Mainshaft-to-gear/bush maximum clearance (NA8 5MT)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1994,
        1997
      ],
      "engines": [
        "BP"
      ],
      "trans": [
        "5MT"
      ],
      "note": "1995–1997 inferred from 1994 factory evidence; actual-year verification is separate."
    }
  ],
  "kind": "non-torque",
  "value_text": "Maximum 0.15 mm {0.006 in}",
  "procedure": {
    "notes": "Measure clearance between the mainshaft and gear or bush during disassembled transmission inspection. This is the inspection limit, not an assembly end-play setting."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1994",
      "page": "J–23 (PDF p. 377)",
      "as_printed": "Maximum clearance: 0.15mm {0.006 in}",
      "verified_years": [
        1994,
        1994
      ],
      "document": {
        "id": "fsm-1994",
        "tier": 1,
        "title": "1994 Mazda MX-5 Miata Workshop Manual",
        "covers": [
          {
            "gen": "NA",
            "years": [
              1994,
              1997
            ],
            "engines": [
              "BP"
            ]
          }
        ],
        "note": "Mazda's base manual for 1994–97; later model years got supplements, which we haven't checked yet."
      }
    }
  ],
  "jobs": [],
  "system": "transmission",
  "component": "inventory-pass-2026-10",
  "componentName": "Service measurements and fasteners",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/mainshaft-gear-clearance-limit-na8-5mt/"
}
```