Piston Installation; Cylinder Installation - Sym GTS 250 Service Manual

Piston Installation

Install piston and piston pin, and place the IN
marks on the piston top side forward to inlet
valve.
Install new piston pin clip.
Caution
 Do not let the opening of piston pin clip align
with the piston cutout.
 Place a piece of cloth between piston and
crankcase in order to prevent snap ring from
falling into crankcase as operation.

Cylinder Installation

Clean up all residues and foreign materials on
the matching surface of crankcase. Pay
attention to not let these residues and foreign
materials fall into crankcase.
Caution
Soap the residues into solvent so that the
residues can be removed more easily.
Install dowel pins and new cylinder gasket.
To this chapter contents
Dowel pins
7. Cylinder / Piston
IN mark
Clip end gap
Cutout
7-7