HYOSUNG 2010 ST7 Service Manual page 62

3-15 ENGINE
CAUTION
The tappet and shim should be lined so that
each will be restored to the original posi-
tion during reassembly.
Compress the valve spring by using the special tool.
Valve spring compressor
Valve spring compressor attachment
Take out the valve cotter from the valve stem.
Remove the valve spring retainer.
Pull out valve from the other side.
Remove the two cylinder base nuts and cylinder.
CAUTION
If tapping with the plastic hammer is neces-
sary, pay attention to break the fins.
: 09916-14510
: 09916-14520