Piston: Testing and Inspection

Dimensions
A: 59.900 mm
B: 35.900 mm
C: 16.000 mm

Diameter
Piston Marked C: 80.980-80.990 mm
Piston Marked D: 80.990-81.000 mm
Piston Marked E: 81.000-81.010 mm
Piston Marked G: 81.017-81.032 mm

Oversize
OS1: 81.177-81.192 mm
OS2: 81.377-81.392 mm

Weight
Standard Weight: 345 ± 5 grams
Max. Difference Between Pistons: 10 grams





Piston Clearance
New Piston: 0.01-0.03 mm





Piston Ring Clearance
Upper Compression Ring: 0.050-0.085 mm
Lower Compression Ring: 0.030-0.065 mm
Oil Scraper Ring: 0.020-0.055 mm

Wrist Pins
Diameter: 23.000 + 0 or - 0.004 mm