Valve head margin thickness (Mazdaspeed)

Margin thickness IN: 0.035 in (0.9 mm) min. EX: 0.039 in (1.0 mm) min.Margin thickness IN: 0.9 mm {0.035 in} min. EX: 1.0 mm {0.039 in} min.

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

Procedure

Measure each valve margin; replace as necessary.

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 01–10–18 (PDF p. 30) · Printed value & notes
Part no. 9999-95-EWBP-04
Page 01–10–18 (PDF p. 30)
Printed: “Margin thickness IN: 0.9 mm {0.035 in} min. EX: 1.0 mm {0.039 in} min.”