Piston, Engine

Piston-to-cylinder clearance 0.02 - 0.04 mm (0.0008 - 0.0015 inch)
Piston diameter
Standard 87.970 - 87.990 mm (3.4634 - 3.4642 inch)
Oversize 0.25 mm (0.0098 inch) 88.220 - 88.240 mm (3.4733 - 3.4740 inch)
Oversize 0.50 mm (0.0196 inch) 88.470 - 88.490 mm (3.4831 - 3.4839 inch)
Piston clearance 0.02 - 0.04 mm (0.0008 - 0.0015 inch)
Piston pin clearance in small end 0.003 - 0.014 mm (0.0001 - 0.0006 inch)
Small-end bore 21.003 - 21.011 mm (0.8269 - 0.8272 inch)

Piston diameter specification
Standard: 87.970 - 87.990 mm (3.4634 - 3.4642 inch)
Oversize 0.25: 88.220 - 88.240 mm (3.4732 - 3.4740 inch)
Oversize 0.50: 88.470 - 88.490 mm (3.4831 - 3.4839 inch)
Piston clearance 0.02 - 0.04 mm (0.0008 - 0.0015 inch)