Piston Ring Gap & Groove Clearance

DIMENSIONS
Clearance
Standard Value 0.03 - 0.07 mm (0.0012 - 0.0028 inch)
Limit 0.1 mm (0.004 inch)
End Gap
Standard Value
No. 1 Ring 0.25 - 0.35 mm (0.0098 - 0.0138 inch)
No. 2 Ring 0.40 - 0.55 mm (0.0157 - 0.0217 inch)
Oil Ring 0.10 - 0.40 mm (0.0039 - 0.0157 inch)
Limit
No. 1 And No. 2 Ring 0.8 mm (0.031 inch)
Oil Ring 1.0 mm (0.039 inch)