Piston Ring, Engine

Side Clearance
New 0.02 mm to 0.08 mm (0.0008 in to 0.003 in.)
Wear limit 0.1 mm (0.004 in.)

End Gap
New 0.2 mm to 0.5 mm (0.008 in to 0.020 in.)
Wear limit 1.0 mm (0.039 in.)