Piston Dimensions & Clearances

Piston Diameter [1]:
Standard 82.485 mm (3.24744 in.)
1st oversize 82.735 mm (3.25728 in.)
2nd oversize 82.985 mm (3.26713 in.)

Piston Wear Limits [2]: 0.04 mm (0.0016 in.)

Cylinder Wear Limits [2]: 0.08 mm (0.0031 in.)


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[1]: Measure the piston approximately 6-10 mm (0.2-0.4 in.) from the bottom of the piston skirt and at right angles (90°) to the piston pin. Nominal piston diameters are also marked on the piston crowns.
[2]: Maximum allowable deviation from nominal diameter.