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Measure the outer diameter of the piston.
*Attention: The measuring position and the piston pin form an angle of 90 degree, some 11.5mm below the skirt
of piston.
Allowable limit:39.9mm.
Inspect the abrasion and wear of the cylinder inner wall.
*Attention: Measure the bore diameter of the cylinder at the upper, middle and lower part when keeping an angle
of 90 degree from the piston pin.
Allowable limit:40.05mm.
Measure the clearance of the cylinder and piston and take the maximal value as final one.
Allowable limit:0.1mm.