Cylinder And Piston Removal - Sym GTS 250 Service Manual

Cylinder and Piston Removal

Remove cylinder head (refer to chapter 6).
Remove coolant hose from cylinder.
Remove cylinder.
Cover the holes of crankcase and cam chain with
a piece of cloth.
Remove piston pin clip, and then remove piston
pin and piston.
Remove cylinder gasket and dowel pin.
Clean up all residues or foreign materials from
the two matching surfaces of cylinder and
crankcase.
Caution
Soap the residues into solvent so that the
residues can be removed more easily.
Inspection
Check if the inner diameter of cylinder is wear out
or damaged.
In the 3 positions, top, center and bottom, of
cylinder, measure the X and Y values respective
in the cylinder.
Service limit: 71.100 mm
To this chapter contents
7. Cylinder / Piston
Coolant hose
Top
Center
Bottom
7-3