HYOSUNG GF125 Service Manual page 43

3-9 SERVICING ENGINE
● Install the bolt by the rocker arm shaft and pull out
the rocker arm shaft.
CYLINDER HEAD
● Loosen the cylinder head nuts, then detach the cylin-
der head.
NOTE:
If it is difficult to remove the cylinder head, gently pry
it off while tapping the finless portion of the cylinder
head with a plastic hammer. Be careful not to break
the fin.
● Compress the valve spring by using the special tool.
09916-14510
09916H35C00
● Take off the valve cotters from valve stem.
09916-84510
● Take out the valve spring retainer and spring.
● Pull out the valve from the other side.
Valve lifter
Attachment
Tweezers