Piston Ring, Engine

Piston Ring Groove Clearance 0.030-0.070 mm (0.0012-0.0028 in.)

End Gap (STD)
No.1 0.22-0.32 mm (0.0087-0.0126 in.)
No.2 0.50-0.60 mm (0.0197-0.0236 in.)
Oil (Side Rail) 0.10-0.35 mm (0.0039-0.0138 in.)

End Gap (Max)
No.1 0.89 mm (0.0350 in.)
No.2 1.35 mm (0.0531 in.)
Oil (Side Rail) 0.73 mm (0.0287 in.)