Piston diameter by size (Mazdaspeed)

Piston diameter mm {in} Size Diameter Standard 82.953—82.975 {3.2659—3.2667} 0.25 {0.01} oversize 83.203—83.225 {3.2758—3.2765} 0.50 {0.02} oversize 83.453—83.475 {3.2856—3.2864}Piston diameter mm {in} Size Diameter Standard 82.953—82.975 {3.2659—3.2667} 0.25 {0.01} oversize 83.203—83.225 {3.2758—3.2765} 0.50 {0.02} oversize 83.453—83.475 {3.2856—3.2864}

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

Procedure

Measure perpendicular to the pin, 16.5 mm below the lower edge of the oil-ring groove.

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: “Piston diameter mm {in} Size Diameter Standard 82.953—82.975 {3.2659—3.2667} 0.25 {0.01} oversize 83.203—83.225 {3.2758—3.2765} 0.50 {0.02} oversize 83.453—83.475 {3.2856—3.2864}”

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