Operation CHARM: Car repair manuals for everyone.

Piston Ring Gap and Groove Clearances

Piston Ring Groove Width No.1 1.21 - 1.23 Millimeter (mm)
No.2 1.51 - 1.53 Millimeter (mm)
Oil 2.81 - 2.83 Millimeter (mm)
Piston Ring Side Clearance No.1, No.2 Specifications 0.02 - 0.06 Millimeter (mm)
Limit 0.1 Millimeter (mm)
Piston Ring End Gap No.1 Specifications 0.25 - 0.35 Millimeter (mm)
Limit 0.8 Millimeter (mm)
No.2 Specifications 0.40 - 0.55 Millimeter (mm)
Limit 0.8 Millimeter (mm)
Oil Ring Side Rail Specifications 0.10 - 0.40 Millimeter (mm)
Limit 1.0 Millimeter (mm)