Piston Inspection

Measure the piston ring-to-ring groove clearance with the rings pushed into the grooves.

SERVICE LIMITS: Top/second: 0.08 mm (0.003 in)

Temporarily install the piston rings to their proper position with the mark facing up.

Insert the piston ring squarely into the bottom of the cylinder and measure the ring end gap.

Second: 0.5 mm (0.02 in) Oil (side rail): 1.0 mm (0.04 in)

Measure the piston pin bore. SERVICE LIMIT: 17.02 mm (0.670 in)

Measure the O.D. of the piston pin. SERVICE LIMIT: 16.98 mm (0.6G9 in) Calculate the piston-to-piston pin clearance. SERVICE LIMIT: 0.04 mm (0.002 in)

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