Piston Ring, Engine

Piston Ring Groove Clearance
No.1 0.020 to 0.075 mm (0.0008 to 0.0030 in.)
No.2 0.020 to 0.065 mm (0.0008 to 0.0026 in.)
Oil 0.020 to 0.070 mm (0.0008 to 0.0028 in.)

Piston Ring End Gap
STD No.1 0.22 to 0.34 mm (0.0087 to 0.0134 in.)
No.2 0.45 to 0.57 mm (0.0177 to 0.0224 in.)
Oil 0.10 to 0.40 mm (0.0039 to 0.0157 in.)