Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

PISTON RING
Side clearance
Top
Standard 0.045 - 0.080 mm (0.0018 - 0.0031 in.)
Limit 0.2 mm (0.008 in.)
2nd
Standard 0.030 - 0.070 mm (0.0012 - 0.0028 in.)
Limit 0.2 mm (0.008 in.)
Oil
Standard 0.065 - 0.135 mm (0.0026 - 0.0053 in.)
Limit 0.2 mm (0.008 in.)
End gap
Top
Standard 0.20 - 0.39 mm (0.0079 - 0.0154 in.)
Limit 0.49 mm (0.0193 in.)
2nd
Standard 0.32 - 0.56 mm (0.0126 - 0.0220 in.)
Limit 0.64 mm (0.0252 in.)
Oil
Standard 0.20 - 0.69 mm (0.0079 - 0.0272 in.)
Limit 1.09 mm (0.0429 in.)