Piston Ring, Engine
Piston ringPiston ring
Groove clearance
No. 1 0.020 to 0.070 mm (0.000787 to 0.00276 in.)
No. 2 0.020 to 0.060 mm (0.000787 to 0.00236 in.)
Oil 0.020 to 0.070 mm (0.000787 to 0.00276 in.)
End gap
Standard
No. 1 0.25 to 0.35 mm (0.00984 to 0.0138 in.)
No. 2 0.40 to 0.50 mm (0.0157 to 0.0197 in.)
Oil 0.10 to 0.40 mm (0.00394 to 0.0157 in.)
Maximum
No. 1 0.42 mm (0.0165 in.)
No. 2 0.55 mm (0.0217 in.)
Oil 0.45 mm (0.0177 in.)