Operation CHARM: Car repair manuals for everyone.

Piston Ring Gap & Groove Clearance

Piston Ring to Ring Groove Clearance No.1 Standard 0.03 - 0.07 Millimeter (mm)
Limit 0.1 Millimeter (mm)
Piston Ring to Ring Groove Clearance No.2 Standard 0.02 - 0.06 Millimeter (mm)
Limit 0.1 Millimeter (mm)
Piston Ring End Gap No.1 Standard 0.30 - 0.45 Millimeter (mm)
Limit 0.8 Millimeter (mm)
Piston Ring End Gap No.2 Standard 0.45 - 0.60 Millimeter (mm)
Limit 0.8 Millimeter (mm)
Oil Ring Side Rail Standard 0.20 - 0.60 Millimeter (mm)
Limit 1.0 Millimeter (mm)