Sym Mio 50 Service Manual page 91

7. Cylinder / Piston
Inspection
Check if the inner diameter of cylinder is worn out
or damaged.
In the 3 positions (top, center and bottom) of
cylinder, measure the X and Y direction values
respective in the cylinder.
Service limit: (Refer to page 2)
Calculate both the real roundness (the difference
between X and Y motion values) and the
cylindrical roundness (the difference in the top,
center or bottom positions of X or Y motion values.)
Then, determinate by the max. value
Service limit:
Real roundness: correct or replace as over
0.05mm
Cylindrical roundness: correct or replace as
over 0.05mm
Check Cylinder Wrap age.
Service limit: 0.05mm
7-4
To this chapter contents
Exhaust side
Intake side
Top
Center
Bottom