Tappet bore diameter (Mazdaspeed)

Standard diameter 1.1811—1.1820 in (30.000—30.025 mm)Standard diameter 30.000—30.025 mm {1.1811—1.1820 in}

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

Procedure

Measure each tappet bore; replace the tappet or head as necessary after checking clearance.

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 01–10–22 (PDF p. 34) · Printed value & notes
Part no. 9999-95-EWBP-04
Page 01–10–22 (PDF p. 34)
Printed: “Standard diameter 30.000—30.025 mm {1.1811—1.1820 in}”