Piston, Engine

Piston
Diameter (Standard) 86.68 - 86.71 mm (3.413 - 3.414 inch)
Clearance (Piston-to-cylinder) 0.01 - 0.03 mm (0.0004 - 0.0012 inch)
Piston for service 0.25 mm (0.010 inch), 0.50 mm (0.020 inch)