Piston

Piston Diameter:
Standard:
Mark 1 86.815 - 86.825 mm (3.4179 - 3.4183 inch)
Mark 2 87.010 - 87.020 mm (3.4256 - 3.4260 inch)
Mark 3 87.020 - 87.030 mm (3.4260 - 3.4264 inch)
Oversized 0.50 87.350 - 87.380 mm (3.4375 - 3.4387 inch)
Piston Oil Clearance:
Standard 0.175 - 0.195 mm (0.0068 - 0.0076 inch)
Maximum 0.215 mm (0.0085 inch)
Piston Ring Groove Clearance:
No.1 0.030 - 0.070 mm (0.0012 - 0.0028 inch)
No.2 0.030 - 0.070 mm (0.0012 - 0.0028 inch)