Piston Ring, Engine

No.1: Groove clearance 0.02 to 0.07 mm (0.0008 to 0.0028 in.)
No.2: Groove clearance 0.02 to 0.06 mm (0.0008 to 0.0024 in.)
Oil: Groove clearance 0.02 to 0.06 mm (0.0008 to 0.0024 in.)

No.1: Standard end gap 0.20 to 0.30 mm (0.0079 to 0.0118 in.)
No.1: Maximum end gap 0.61 mm (0.0240 in.)

No.2: Standard end gap 0.30 to 0.45 mm (0.0118 to 0.0177 in.)
No.2: Maximum end gap 1.20 mm (0.0472 in.)

Oil: Standard end gap 0.10 to 0.40 mm (0.0039 to 0.0158 in.)
Oil: Maximum end gap 1.15 mm (0.0453 in.)