Measuring Cylinder Bore

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Using the cylinder gauge VAS 6078, take measurements as shown > Diagram for measuring cylinder bore at three points in the cylinder, crosswise in transverse direction A and in longitudinal direction B .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Diagram for measuring cylinder bore

1	20-mm cylinder bore depth
2	60-mm cylinder bore depth
3	105-mm cylinder bore depth

Cylinder bore	New in mm	Maximum permitted deviation from nominal measurement in mm	Note
Nominal measurement	86.01 ± 0.005	Not determined	Measure at 20/60/105-mm cylinder bore depth.