Piston

Item
Measurement
Qualification
Standard or New
Service Limit
Piston
Skirt O.D. at 13 mm (0.5 in.) from bottom of skirt
No letter or A
86.980−86.990 mm (3.4244−3.4248 in.)
86.930 mm (3.4224 in.)
Letter B
86.970−86.980 mm (3.4240−3.4244 in.)
86.920 mm (3.4220 in.)
Clearance in cylinder
0.020−0.040 mm (0.0008−0.0016 in.)
0.05 mm (0.002 in.)
Ring groove width
Top
1.245−1.255 mm (0.0486−0.0494 in.)
1.265 mm (0.050 in.)
Second
1.230−1.240 mm (0.0484−0.0488 in.)
1.260 mm (0.050 in.)
Oil
2.005−2.025 mm (0.0789−0.0797 in.)
2.05 mm (0.081 in.)