Cylinder - piston assy.
(Values in mm)
HEIGHT AT WHICH THE DIAMETER SHOULD BE MEASURED
Specification Desc./Quantity
A: 10 mm
B: 43 mm
CATEGORIES OF COUPLING
Name
Initials Cylinder Piston Play on fitting
Cylinder Piston A 91.990 - 91.997 91.954 - 91.961 0.029 - 0.043
Cylinder Piston B 91.997 - 92.004 91.961 - 91.968 0.029 - 0.043
Cylinder Piston C 92.004 - 92.011 91.968 - 91.975 0.029 - 0.043
Cylinder Piston D 92.011 - 92.018 91.975 - 91.982 0.029 - 0.043
N.B.
THE PISTON MUST BE INSTALLED WITH THE ARROW FACING TOWARDS THE EXHAUST SIDE,
THE PISTON RINGS MUST BE INSTALLED WITH THE WORD «TOP» OR THE STAMPED MARK
FACING UPWARDS.
Piston rings
* Fit rings «2» and «3» with the word «TOP» facing upwards.
** Position the openings in the rings as shown here.
*** Value «A» of sealing ring inside the cylinder
**** Ring opening
X9 Evolution 500 Characteristics
CHAR - 15
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