Upper End Components Of Engine Reassembly; Piston Ring - HYOSUNG RT 125 D Service Manual

3-21 ENGINE
UPPER END COMPONENTS
OF ENGINE REASSEMBLY
⊙ ⊙ PISTON RING
● Install the oil ring first, the 2nd ring second, and
the 1st ring last.
NOTE
The 1st ① ① and 2nd ② ② piston rings differ in
shape.
The 1st and 2nd piston rings should be
installed with the mark facing up.
● First, install a spacer ③ into the oil ring groove,
and then install the two side rails ④. The spacer
and side rails do not have a designated top and
bottom. They can be installed in any position.
CAUTION
When installing the spacer, be careful not to allow
its two ends to overlap in the groove.
● Position the piston ring gaps as shown. Before
inserting the piston into its cylinder, check that the
gaps are properly positioned.
⑤ 2nd ring and lower side rail
⑥ Upper side rail
⑦ 1st ring and spacer
INCORRECT
CORRECT
⑤
44
①
②
EX
⑥
⑦
IN