Piston, Engine

Piston
Diameter - coated
Grade 1 88.990-89.010 mm (3.5035-3.5043 inch)
Grade 2 88.998-89.022 mm (3.5039-3.5048 inch)
Grade 3 89.010-89.030 mm (3.5043-3.5051 inch)
Diameter - uncoated
Grade 1 88.970-88.980 mm (3.50275-3.50314 inch)
Grade 2 88.978-88.992 mm (3.50306-3.50362 inch)
Grade 3 89.010-89.030 mm (3.50432-3.50511 inch)
Piston-to-cylinder bore clearance 0.012 to 0.022 mm (0.0005-0.0009 inch)

Ring Groove Width
Compression (top) 1.230-1.245 mm (0.0484-0.0490 inch)
Compression (bottom) 1.530-1.545 mm (0.0602-0.0608 inch)
Oil ring 3.030-3.055 mm (0.1192-0.0120 inch)

Piston Pin
Bore diameter 21.008-21.012 mm (0.8270-0.8272 inch)
Pin diameter 21.011-21.013 mm (0.8271-0.8273 inch)
Length 60.51-60.08 mm (2.382-2.365 inch)
Pin-to-piston fit 0.002 to 0.009 mm (0.00007-0.0003 inch)