Piston Ring, Engine
Piston RingNumber of rings per piston 3
Compression ring 2
Oil ring 1
Compression ring type
No.1 Inner bevel type
No.2 Under cut type
Oil ring type 3 - piece type
Ring end gap
No.1
Specification 0.20 - 0.35 mm (0.0079 - 0.0138 in.)
Limit 0.8 mm (0.031 in.)
No.2
Specification 0.37 - 0.52 mm (0.0146 - 0.0205 in.)
Limit 0.8 mm (0.031 in.)
Oil ring side rail
Specification 0.2 - 0.7 mm (0.0079 - 0.0276 in.)
Limit 1.0 mm (0.039 in.)
Ring side clearance
No.1
Specification 0.04 - 0.08 mm (0.0016 - 0.0031 in.)
Limit 0.1 mm (0.004 in.)
No.2
Specification 0.03 - 0.07 mm (0.0012 - 0.0028 in.)
Limit 0.1 mm (0.004 in.)
Rings for service 0.25 mm (0.010 in.), 0.50 mm (0.020 in.)