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Piston-to-cylinder clearance (Mazdaspeed)

Standard clearance: ≈0.00098–0.0026 in (0.025–0.066 mm); maximum clearance: ≈0.00591 in (0.15 mm)Standard clearance: 0.025–0.066 mm; maximum clearance: 0.15 mm

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

Use the explicit metric clearance range. The table on PDF44 has different rounded inch endpoints; metric is authoritative. Replace rings when replacing a piston.

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 01–10–23 (PDF p. 35) · Printed value & notes
    Part no. 9999-95-EWBP-04
    Page 01–10–23 (PDF p. 35)
    Printed: “Standard clearance 0.025—0.066 mm {0.0010—0.0025 in} Maximum clearance 0.15 mm {0.006 in}”

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