HYOSUNG RX 125 Service Manual page 52

VALVE AND SPRING
● Insert the valves, with their stems coated with
(HYOSUNG MOLY PASTE) all around and along
the full stem length without any break.
Similarly oil the lip of the stem seal.
HYOSUNG MOLY PASTE
CAUTION
When inserting each valve, take care not to
damage the lip of the stem seal.
● Insert valve springs, making sure that the close-
pitch end ① of each spring goes in first to rest
on the head. The coil pitch is vary: the pitch
decreases from top to bottom, as shown in the
illustration.
● Fit valve spring retainer, compress spring with a
valve spring compressor and insert cotters.
Valve spring compressor : 09916-14510
CYLINDER HEAD
● Fit dowel pins ② to cylinder head, and then
attach new gasket to cylinder head.
CAUTION
Use a new cylinder head gasket to prevent oil
leakage. Do not use the old gasket.
ENGINE 3-22
Retainer
Towards
�
Head
Lower seat
①
②