Spark Plug - HYOSUNG GV250 Ei Owner's Manual

CAUTION
More frequent servicing may be
performed on motorcycles that are used
under severe conditions, also clean the
air cleaner element when replacing the
oil to prevent damage of the engine.
WARNING
Operating the engine without the air
cleaner element in place can be
hazardous.
Never run the engine without the air
cleaner element in place.

SPARK PLUG

Check the spark plugs every time a
scheduled maintenance service is
performed.
At regular intervals, remove the spark
plugs and clean off any carbon deposits or
replace as required.
To remove and clean the spark plugs :
WARNING
Before carrying out the following
operations, let the engine and the muffler
cool down to ambient temperature, in
order to avoid burns.
1. Disconnect spark plug caps.
2. Remove all the dirt from the base of the
spark plugs, 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 plugs, with an iron
wire and / or a metal brush.
4. Energetically blow some air, in order to
prevent the removed residues from
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