Piston Ring, Engine
Piston RingSide clearance
Top
Standard 0.045 - 0.080 mm (0.0018 - 0.0031 in)
Limit 0.11 mm (0.0043 in)
2nd
Standard 0.030 - 0.070 mm (0.0012 - 0.0028 in)
Limit 0.10 mm (0.0039 in)
Oil ring (rail ring)
Standard 0.065 - 0.135 mm (0.0026 - 0.0053 in)
Limit --
End gap
Top
Standard 0.21- 0.31 mm (0.0083 - 0.0122 in)
Limit 0.54 mm (0.0213 in)
2nd
Standard 0.32 - 0.47 mm (0.0126 - 0.0185 in)
Limit 0.65 mm (0.0256 in)
Oil ring (railring)
Standard 0.20 - 0.60 mm (0.0079 - 0.0236 in)
Limit 0.95 mm (0.0374 in)