Piston Ring, Engine

Piston Ring End Gap:
No.1 Ring:
Standard 0.20 - 0.35 mm (0.0079 - 0.0138 inch)
Limit 0.1 mm (0.0039 inch)
No.2 Ring:
Standard 0.35 - 0.50 mm (0.0138 - 0.0197 inch)
Limit 0.8 mm (0.031 inch)
Oil Ring:
Standard 0.20 - 0.50 mm (0.0079 - 0.0197 inch)
Limit 1.0 mm (0.039 inch)