Piston

GENERAL SPECIFICATIONS
Diameter (a)
Coded Grade 3 (Brown) 82.390-82.400 mm (3.2437-3.2441 in)
Coded Grade 2 (None) 82.380-82.390 mm (3.2433-3.2437 in)
Coded Grade 1 (Green) 82.370-82.380 mm (3.2429-3.2433 in)
Piston to Bore Clearance 0.020-0.040 mm (0.0008-0.0016 in)
Service Limit 0.070 mm Max (0.0028 in)
Ring Groove Width
Compression (Top) 1.23-1.25 mm (0.0484-0.0492 in)
Compression (Bottom) 1.52-1.54 mm (0.0598-0.0606 in)
Oil Ring 3.01-3.03 mm (0.1185-0.1193 in)

(a) Measured at perpendicular to, and 12.6 mm below piston pin hole center prior to coating.