Piston, Engine

Piston
Standard diameter 74.945 to 74.955 mm (2.9506 to 2.9510 inch)
Oil clearance
Standard 0.055 to 0.078 mm (0.0022 to 0.0031 inch)
Maximum 0.08 mm (0.0032 inch)
Standard pin hole diameter 18.013 to 18.016 mm (0.7092 to 0.7093 inch) at 20�C (68�F)
Standard ring groove clearance
No. 1 ring 0.02 to 0.04 mm (0.0008 to 0.0016 inch)
No. 2 ring 0.01 to 0.03 mm (0.0004 to 0.0012 inch)
No. 3 ring 0.01 to 0.03 mm (0.0004 to 0.0012 inch)

Piston Pin
Standard diameter 18.001 to 18.004 mm (0.7087 to 0.7088 inch)
Oil clearance
Standard 0.009 to 0.015 mm (0.0004 to 0.0006 inch)
Maximum 0.050 mm (0.0020 inch)

Piston Rings
Standard end gap
No. 1 ring 0.25 to 0.35 mm (0.0098 to 0.0138 inch)
No. 2 ring 0.35 to 0.50 mm (0.0138 to 0.0197 inch)
Oil ring 0.10 to 0.35 mm (0.0039 to 0.0138 inch)
Maximum end gap
No. 1 ring 0.91 mm (0.0358 inch)
No. 2 ring 1.06 mm (0.0417 inch)
Oil ring 0.82 mm (0.0323 inch)