Acura (Honda) Workshop Service and Repair Manuals

Piston: Specifications

Piston Diameter:

Standard (New) .............................................................................................................................................  85.975 - 85.985 mm (3.3848 - 3.3852 inch)
Service Limit .............................................................................................................................................................................  85.965 mm (3.3844 inch)

Piston-to-Block Clearance:

Standard (New) .................................................................................................................................................  0.015 - 0.040 mm (0.0006 - 0.0016 inch)
Service Limit ...................................................................................................................................................................................  0.08 mm (0.003 inch)

Oversize Piston Diameter:

0.25 ...............................................................................................................................................................  86.225 - 86.235 mm (3.3947 - 3.3951 inch)
0.50 ...............................................................................................................................................................  86.475 - 86.485 mm (3.4045 - 3.4049 inch)

Piston Pin Diameter:

Standard (New) .............................................................................................................................................  21.962 - 21.965 mm (0.8646 - 0.8648 inch)
Service Limit .............................................................................................................................................................................  21.954 mm (0.8643 inch)

Piston Pin-to-Piston Clearance:

Standard (New) ................................................................................................................................  -0.0050 to +0.0010 mm (-0.00020 - +0.00004 inch)
Service Limit ...............................................................................................................................................................................  0.004 mm (0.0002 inch)