HYOSUNG GV125S Owner's Manual page 37

Change the engine oil and
filter, after first running 1,000
km and every running 4,000
km.
The engine oil should always
be changed when the engine is
hot so that the engine oil will be
drained thoroughly from the
engine.
The procedure is as follows.
ENGINE OIL CAPACITY
Oil change
Oil and filter change
Engine overhaul
In case of the engine oil
being over filled, the engine
output will be reduced.
Be careful not to over fill the
engine oil.
1. Hold
vertically using the center stand.
N O T E
Place the motorcycle on
firm and flat ground.
1,100ml
1,300ml
1,400ml
the motorcycle
2.Place a drain pan under the
engine.
3.Remove the engine oil filler
plug①.
4.Drain the engine oil by removing
the engine oil drain plug
on the bottom of the engine.
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1
②
located
2