Piston Pin, Engine
SPECIFICATIONSPiston ring
Number of rings per piston 3
Compression ring type 2
Oil ring 1
Compression ring type
No. 1 Barrel type, steel(Inner bevel)
No. 2 Taper type, special cast iron
Oil ring type 3-piece type
Ring end gap
No. 1
Specification 0.2 - 0.3 mm (0.0079 - 0.0118 in.)
Limit 0.8 mm (0.0315 in)
No. 2
Specification 0.45 - 0.60 mm (0.0177 - 0.0236 in.)
Limit 0.8 mm (0.0315 in)
Oil ring side rail
Specification 0.2 - 0.7 mm (0.0079 - 0.0276 in.)
Limit 1.0 mm (0.0394 in)
Ring side clearance
No. 1
Specification 0.04 - 0.08 mm (0.0008 - 0.0031 in.)
Limit 0.1 mm (0.0039 in)
No. 2
Specification 0.02 - 0.06 mm (0.0016 - 0.0024 in.)
Limit 0.1 mm (0.0039 in)
Ring for service 0.25mm (0.010 in.), 0.50 mm (0.020 in.) Oversize