Upper End Components Reassembly - HYOSUNG RX 125 Service Manual

UPPER END COMPONENTS
REASSEMBLY
OIL RING
Install spacer ① into the bottom ring groove first.
Then install both side rails ②, one on each side
of the spacer. The spacer and side rails do not
have a specific top or bottom when they are new.
When reassembling used parts, install them in
their original place and direction.
TOP RING AND 2ND RING
Top ring and 2nd ring differ in the shape of ring
face and the face of top ring is chrome-plated
whereas that of 2nd ring is not. The color of 2nd
ring appears darker than that of the top one.
Install expander ring into the 2nd ring groove. Top
and 2nd rings have the letter "R"or "Y"marked on
the top. Be sure to bring the marked side to the top
when fitting them to the piston.
Position the gaps of the three rings as shown.
Before inserting piston into the cylinder, check that
the gaps are so located.
EX.
2nd
Side rail, upper
120。
�
120。
ENGINE 3-20
Oil ring
Top
2nd
Side rail, lower
120。
Top ring, Spacer
IN.