Piston Ring, Engine

Number of piston rings
Compression 2
Compression ratio 9.5

Piston Ring
Side 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 0.065 - 0.135 mm (0.0026- 0.0053 in.)
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 0.67 mm (0.0264 in.)
Oil (rail ring)
Standard 0.20 - 0.60 mm (0.0079 - 0.0236 in.)
Limit 0.95 mm (0.0374 in.)