Piston, Pin, and Connecting Rod Replacement: Inspection

NOTE: Inspect the piston, the piston pin, and the connecting rod when they are at room temperature.

Measure the diameter of the piston pin.
Piston Pin Diameter

Standard (New): 21.962- 21.965 mm (0.86464- 0.86476 in)

Service Limit: 21.954 mm (0.86433 in)

Fig 1: Measuring Piston Pin Diameter
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Zero the dial gauge (A) to the piston pin diameter.

Fig 2: Measuring Piston Pin Diameter
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check the difference between the piston pin diameter and the piston pin hole diameter on the piston.
J35Z6 engine

Piston Pin-to-Piston Clearance

Standard (New): -0.005- 0.001 mm (-0.00020- 0.00004 in)

Service Limit: 0.004 mm (0.00016 in)

J37A4 engine

Piston Pin-to-Piston Clearance

Standard (New): -0.005- 0.003 mm (-0.00020- 0.00012 in)

Service Limit: 0.004 mm (0.00016 in)

Fig 3: Checking Piston Pin-To-Piston Clearance
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Measure the piston pin-to-connecting rod clearance.
Piston Pin-to-Connecting Rod Clearance

Standard (New): 0.005- 0.014 mm (0.00020- 0.00055 in)

Service Limit: 0.019 mm (0.00075 in)

Fig 4: Measuring Piston Pin-To-Connecting Rod Clearance

Courtesy of AMERICAN HONDA MOTOR CO., INC.