Piston: Testing and Inspection

Piston Inspection





^ Measure the outer diameter of each piston at right angle (90°) to the piston pin, 16.5 mm (0.650 inch) below the oil ring groove lower edge.





Piston diameter


Piston and Connecting Rod Inspection





^ Inspect the oscillation torque. If the large end does not drop by its own weight, replace the piston or the piston pin.