Piston Ring, Engine
Ring groove widthNo.1 1.230 - 1.250mm (0.0484 - 0.0492in.)
No.2 1.220 - 1.240mm (0.0480 - 0.0488in.)
Oil 2.015 - 2.035mm (0.0793 - 0.0801 in.)
Piston for service 0.25mm (0.010in.), 0.50mm (0.020in.)
Piston ring
Number of rings per piston 3
Compression ring 2
Oil ring 1
Compression ring type
No.1 Inner bevel type
No.2 Taper type
Oil ring type 3-piece type
Ring end gap
No.1 0.15 - 0.30mm (0.0059 - 0.0118in.) (0.8mm (0.031 in.))
No.2 0.30 - 0.45mm (0.0118 - 0.0177in.) (0.8mm (0.031 in.))
Oil ring side rail 0.2 - 0.7mm (0.0079 - 0.0276in.) (1.0mm (0.039in.))
Ring side clearance
No.1 0.04 - 0.08mm (0.0016 - 0.0031in.) (0. 1 mm (0.004in.))
No.2 0.03 - 0.07mm (0.0012 - 0.0028in.) (0. 1 mm (0.004in.))
Rings for service 0.25mm (0.010in.), 0.50mm (0.020in.)