How To Select Piston And Bearing: Description
WARNING: This page is about a different variant/trim than selected.
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Selection points |
Selection parts |
Selection items |
Selection methods |
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Between cylinder block and crankshaft |
Main bearing |
Main bearing grade (bearing thickness) |
Determined by match of cylinder block bearing housing grade (inner diameter of housing) and crankshaft journal grade (outer diameter of journal) |
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Between crankshaft and connecting rod |
Connecting rod bearing |
Connecting rod bearing grade (bearing thickness) |
Determined by match of connecting rod big end diameter grade (inner diameter of housing) and crankshaft pin outer diameter. |
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Between cylinder block and piston |
Piston and piston pin assembly (Piston is available together with piston pin as assembly.) |
Piston grade (piston skirt diameter) |
Piston grade = cylinder bore grade (inner diameter of bore) |
- The identification grade stamped on each part is the grade for the dimension measured in new condition. This grade cannot apply to reused parts.
- For reused or repaired parts, measure the dimension accurately. Determine the grade by comparing the measurement with the values of each selection table.
- For details of the measurement method of each part, the reuse standards and the selection method of the selective fitting parts, refer to the text.