HYOSUNG GD250, Owner'S Manual

Page: 68 / 98

67
CAUTION
More frequent servicing may be
performed on the motorcycle that are
used under severe conditions, also
clean the air cleaner element when
replacing the oil to prevent damage of
the engine.
WARNING
Inspect the plug
①
and drain water and oil
at the periodic maintenance interval.
The air cleaner oil drain plug
①
is located
beneath the air cleaner case.
⊙
AIR CLEANER OIL DRAIN PLUG
Check the spark plug every time a
scheduled maintenance service is
performed.
At regular intervals, remove the spark
plug and clean off any carbon deposits or
replace as required.
To remove and clean the spark plug :
SPARK PLUG
Before carrying out the following
operations, let the engine and the
m u f f l e r c o o l d o w n t o a m b i e n t
temperature, in order to avoid burns.
1. Disconnect spark plug cap.
2. Remove all the dirt from the base of the
spark plug, then unscrew it and extract it
from its seat, taking care that neither
dust nor other substances enter the
cylinder.
3. Make sure that there are neither carbon
deposits, nor corrosion marks on the
electrode and on the central part : if
necessary, clean them with the special
cleaners for spark plug, with an iron wire
and / or a metal brush.
4. Energetically blow some air, in order to
prevent the removed residues from
❶