Valve seat contact width (Mazdaspeed)

Standard width 0.032—0.055 in (0.8—1.4 mm)Standard width 0.8—1.4 mm {0.032—0.055 in}

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

Procedure

Verify seating at the center of the valve face after resurfacing.

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 width 0.8—1.4 mm {0.032—0.055 in}”