Piston: Specifications

Piston diameter
at 25.6 mm (1.008 inch) from the piston head 81.975 - 81.993 mm (3.2274 - 3.2281 inch)
Piston oil clearance
STD 0.007 - 0.038 mm (0.0003 - 0.015 inch)
Maximum 0.10 mm (0.0039 inch)