Piston Ring: Specifications

Piston Ring

Ring Groove Clearance Standard
Top 0.020-0.070 mm (0.0008-0.0028 in)
Second 0.020-0.060 mm (0.0008-0.0024 in)
Oil 0.020-0.070 mm (0.0008-0.0028 in)
End Gap Standard
Top 0.24-0.31 mm (0.0094-0.0122 in)
Second 0.33-0.43 mm (0.0130-0.0169 in)
Oil 0.10-0.30 mm (0.0040-0.0119 in)
End Gap Maximum
Top 0.31 mm (0.0122 in)
Second 0.43 mm (0.0169 in)
Oil 0.30 mm (0.0118 in)