Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine







Compression Ring End Gap:
1st ring
Standard 0.350 mm - 0.470 mm (0.0138 inch - 0.0185 inch)
Limit 1.5 mm (0.0590 inch)

2nd ring
Standard 0.450 mm - 0.600 mm (0.0177 inch - 0.0236 inch)
Limit 1.5 mm (0.0590 inch)

Oil Ring End Gap:
Standard 0.150 mm - 0.450 mm (0.0059 inch - 0.0177 inch)
Limit 1.5 mm (0.0590 inch)