Piston, Engine

PISTON CLEARANCE

Piston to Bore Clearance, without polymer 0.010-0.041 mm (0.0004-0.0016 in)

PISTON RING THICKNESS
First Compression Ring 1.170-1.190 mm (0.0461-0.0469 in)
Second Compression Ring 1.471-1.490 mm (0.0579-0.0587 in)
Oil Control Ring - Rail - Maximum 0.473 mm (0.0186 in)
Oil Control Ring - Spacer 0.929-1.006 mm (0.0366-0.0396 in)

PISTON RING GROOVE WIDTH
Oil Control 2.001-2.003 mm (0.0788-0.0789 in)
Second 1.52-1.54 mm (0.0598-0.0606 in)
Top 1.23-1.25 mm (0.0484-0.0492 in)

PISTON DIAMETER

Piston Diameter - @14.5 mm up 85.967-85.982 mm (3.3845-3.3851 in)