Piston, Engine

Piston
Diameter
Standard 93.960 to 93.980 mm (3.6992 to 3.7000 inch)
Maximum 93.830 mm (3.6941 inch)
Oil Clearance
Standard 0.020 to 0.052 mm (0.0008 to 0.0020 inch)
Maximum 0.370 mm (0.0146 inch)
Pin Diameter
Mark A 21.997 to 22.000 mm (0.8660 to 0.8661 inch)
Mark B 22.000 to 22.003 mm (0.8661 to 0.8663 inch)
Mark C 22.003 to 22.006 mm (0.8663 to 0.8664 inch)
Pin Oil Clearance
Standard 0.002 to 0.004 mm (0.00007 to 0.0001 inch)
Maximum 0.015 mm (0.0006 inch)
Pin Hole Inside Diameter
Mark A 21.998 to 22.001 mm (0.8661 to 0.8662 inch)
Mark B 22.001 to 22.004 mm (0.8662 to 0.8663 inch)
Mark C 22.004 to 22.007 mm (0.8663 to 0.8664 inch)
Bushing Inside Diameter
Mark A 22.005 to 22.008 mm (0.8663 to 0.8665 inch)
Mark B 22.009 to 22.011 mm (0.8665 to 0.8666 inch)
Mark C 22.011 to 22.014 mm (0.8666 to 0.8667 inch)
Pin To Bushing Oil Clearance
Standard 0.005 to 0.011 mm (0.0002 to 0.0004 inch)
Maximum 0.030 mm (0.0012 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 0.020 to 0.070 mm (0.0008 to 0.0028 inch)
Ring End Gap
Standard
No. 1 0.23 to 0.33 mm (0.0091 to 0.0130 inch)
No. 2 0.35 to 0.45 mm (0.0138 to 0.0177 inch)
Oil 0.10 to 0.40 mm (0.0039 to 0.0157 inch)
Maximum
No. 1 0.40 mm (0.0157 inch)
No. 2 0.50 mm (0.0197 inch)
Oil 0.45 mm (0.0177 inch)