Piston

* Diameter
Red 1 90.187-90.212 mm (3.5507-3.5516 inch)
Blue 2 90.200-90.225 mm (3.5512-3.5521 inch)
Yellow 3 90.213-90.238 mm (3.5517-3.5526 inch)
Piston-to-Bore
Clearance Limit 0.018-0.046 mm (0.000709-0.001811 inch)
Piston Pin Bore 21.9985-22.0025 mm (0.86610-0.86620 inch)
Ring Groove Width:
Compression, Top 1.530-1.550 mm (0.06024-0.06102 inch)
Compression, Bottom 1.520-1.540 mm (0.05984-0.06063 inch)
Oil 3.030-3.055 mm (0.11929-0.12028 inch)

* Measured 42 mm (1.653 in) below the piston dome at 90° to the piston pin.