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Valve stem protrusion for seat sinking inspection (Mazdaspeed)

Standard dimension L IN: 1.772 in (45.0 mm) EX: 1.772 in (45.0 mm) Maximum dimension L IN: 1.795 in (45.6 mm) EX: 1.795 in (45.6 mm)Standard dimension L IN: 45.0 mm {1.772 in} EX: 45.0 mm {1.772 in} Maximum dimension L IN: 45.6 mm {1.795 in} EX: 45.6 mm {1.795 in}

Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Seat-sinking inspection dimension L; replace the cylinder head as necessary. This is not the guide protrusion dimension.

Applies to
  • NB 2004–2005 (BP-Z3-TURBO) — 2004 factory turbo-engine evidence; 2005 inferred within MSM family.
  • Verified in: 2004 Mazda Engine Workshop Manual BP (1.8L), normally aspirated and turbo

Sources (1)

View 1 source citations
  • 2004 Mazda Engine Workshop Manual BP (1.8L), normally aspirated and turboTier 1
    Page 01–10–20 (PDF p. 32) · Printed value & notes
    Part no. 9999-95-EWBP-04
    Page 01–10–20 (PDF p. 32)
    Printed: “Standard dimension L IN: 45.0 mm {1.772 in} EX: 45.0 mm {1.772 in} Maximum dimension L IN: 45.6 mm {1.795 in} EX: 45.6 mm {1.795 in}”

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