Piston, Engine

Piston





Diameter
Standard 93.960 to 93.980 mm (3.6992 to 3.6999 inch)
Minimum 93.830 mm (3.6941 inch)
Oil clearance
Standard 0.020 to 0.052 mm (0.0007 to 0.0020 inch)
Maximum 0.06 mm (0.0024 inch)
Ring groove clearance
No. 1 0.020 to 0.070 mm (0.0008 to 0.0028 inch)
No. 2 0.020 to 0.060 mm (0.0008 to 0.0024 inch)
Oil 0.070 to 0.150 mm (0.0028 to 0.0059 inch)
Ring end gap
Standard
No. 1 0.25 to 0.35 mm (0.0098 to 0.0138 inch)
No. 2 0.50 to 0.60 mm (0.0197 to 0.0236 inch)
Oil 0.10 to 0.40 mm (0.0039 to 0.0157 inch)
Maximum
No. 1 0.50 mm (0.0197 inch)
No. 2 0.85 mm (0.0335 inch)
Oil 0.60 mm (0.0236 inch)

Piston Pin

Standard piston pin hole inside diameter:

Standard piston pin diameter:

Oil clearance
Standard 0.005 to 0.011 mm (0.0002 to 0.0004 inch)
Maximum 0.03 mm (0.0012 inch)