Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Piston Ring End Gap Top Ring Standard
(New)
0.20 - 0.35 Millimeter (mm)
Service Limit 0.60 Millimeter (mm)
Second Ring Standard
(New)
0.40 - 0.55 Millimeter (mm)
Service Limit 0.70 Millimeter (mm)
Oil Ring Standard
(New)
0.20 - 0.70 Millimeter (mm)
Service Limit 0.80 Millimeter (mm)
Ring-To-Groove Clearance Top Ring Clearance Standard
(New)
0.035 - 0.060 Millimeter (mm)
Service Limit 0.13 Millimeter (mm)
Second Ring Clearance Standard
(New)
0.030 - 0.055 Millimeter (mm)
Service Limit 0.13 Millimeter (mm)