Piston classification

PISTON CLASSIFICATION

AB	89.964 - 89.975 mm
B	89.975 - 89.982 mm
First oversize (+0.5)	90.457 - 90.475 mm
Second oversize (+1.0)	90.957 - 90.975 mm
Piston clearance, nominal	0.025 - 0.056 mm