Piston, Engine
DIMENSIONSPiston Diameter [1]:
A (no letter) Diameter
Standard (New) 89.986 - 90.004 mm (3.5427 - 3.5435 inch)
Service Limit 89.97 mm (3.5421 inch)
B
Standard (New) 89.976 - 89.994 mm (3.5424 - 3.5431 inch)
Service Limit 89.96 mm (3.5417 inch)
Oversize Piston Diameter
0.25 90.226 - 90.244 mm (3.5522 - 3.5529 inch)
0.50 90.476 - 90.494 mm (3.5620 - 3.5627 inch)
Piston Ring End-Gap:
Top Ring
Standard (New) 0.25 - 0.40 mm (0.010 - 0.016 inch)
Service Limit 0.60 mm (0.024 inch)
Second Ring
Standard (New) 0.35 - 0.50 mm (0.014- 0.020 inch)
Service Limit 0.75 mm (0.03 inch)
Oil Ring
Standard (New) 0.20 - 0.70 mm (0.008 - 0.028 inch)
Service Limit 0.80 mm (0.031 inch)
Piston-To-Block Clearance:
Standard (New) 0.006 - 0.034 mm (0.0002 - 0.0014 inch)
Service Limit 0.0825 mm (0.0032 inch)
Ring-To-groove Clearances:
Top Ring Clearance
Standard (New) 0.030 - 0.055 mm (0.0012 - 0.0022 inch)
Service Limit 0.13 mm (0.005 inch)
Second Ring Clearance
Standard (New) 0.030 - 0.055 mm (0.0012 - 0.0022 inch)
Service Limit 0.13 mm (0.005 inch)
[1] Measured at 17 mm (0.67 inch) from the bottom of the skirt.