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Cylinder Bore

Cylinder Bore Taper

1. Measure the cylinder bore at the top, middle and bottom of piston ring travel in 2 directions as indicated. Verify the cylinder bore is within the wear limit. The difference indicates the cylinder bore taper. Bore the cylinder to the next oversize limit.





Cylinder Bore Out-of-Round

1. Measure the cylinder bore in 2 directions. The difference is the out-of-round.