Piston

HOW TO SELECT PISTON AND BEARING

Piston


WHEN NEW CYLINDER BLOCK IS USED






Check the cylinder bore grade ("1", "2" or "3") on rear side of cylinder block, and select piston of the same grade.





NOTE:
Piston is available with piston pin as a set for the service part. (Only "0" grade piston pin is available.)

WHEN CYLINDER BLOCK IS REUSED

1.Measure the cylinder bore inner diameter. Refer to "Inspection" Inspection.





2.Determine the bore grade by comparing the measurement with the values under the cylinder bore inner diameter of the "PISTON SELECTION TABLE".





3.Select piston of the same grade.

PISTON SELECTION TABLE

Unit: mm (in)





NOTE:
- Piston is available together with piston pin as assembly.
- Piston pin (piston pin hole) grade is provided only for the parts installed at the plant. For service parts, no piston pin grades can be selected. (Only "0" grade is available.)
- No second grade mark is available on piston.