Piston, Engine

Piston and piston ring

Piston diameter STD
Mark 1 93.902 - 93.912 mm (3.6969 - 3.6973 inch)
Mark 2 93.912 - 93.920 mm (3.6973 - 3.6976 inch)
Mark 3 93.920 - 93.930 mm (3.6976 - 3.6980 inch)
O/S 0.5 94.402 - 94.430 mm (3.7168 - 3.7177 inch)

Piston oil clearance
STD 0.090 - 0.111 mm (0.0035 - 0.0044 inch)
Maximum 0.13 mm (0.0051 inch)

Piston ring groove clearance
No.1 0.030 - 0.080 mm (0.0012 - 0.0031 inch)
No.2 0.030 - 0.070 mm (0.0012 - 0.0028 inch)

Piston ring end gap
Standard
No.1 0.300 - 0.400 mm (0.0118 - 0.0158 inch)
No.2 0.400 - 0.550 mm (0.0157 - 0.0217 inch)
Oil 0.130 - 0.380 mm (0.0051 - 0.0150 inch)
Maximum
No.1 1.10 mm (0.0433 inch)
No.2 1.20 mm (0.0472 inch)
Oil 1.15 mm (0.0453 inch)