Piston

DIMENSIONS

Groove Width:
Top:
Standard (New) 1.220 - 1.230 mm (0.0480 - 0.0484 inch)
Service Limit 1.25 mm (0.049 inch)
Second:
Standard (New) 1.220 - 1.230 mm (0.0480 - 0.0484 inch)
Service Limit 1.25 mm (0.049 inch)
Oil:
Standard (New) 2.805 - 2.825 mm (0.1104 - 0.1112 inch)
Service Limit 2.85 mm (0.112 inch)
Piston Diameter:
No Letter or A:
Standard (New) 84.980 - 84.990 mm (3.3457 - 3.3461 inch)
Service Limit 84.970 mm (3.3453 inch)
B:
Standard (New) 84.970 - 84.980 mm (3.3453 - 3.3457 inch)
Service Limit 84.960 mm (3.3449 inch)
Oversize Piston Diameter:
0.25 85.230 - 85.240 mm (3.3555 - 3.3559 inch)
0.50 85.480 - 85.490 mm (3.3653 - 3.3657 inch)
Piston-To-Cylinder Clearance:
Standard (New) 0.020 - 0.040 mm (0.0008 - 0.0016 inch)
Service Limit 0.05 mm (0.002 inch)