HYOSUNG Aquila Classic, Owner'S Manual

Page: 62 / 94

WARNING
61
Check the spark plugs every time a
scheduled maintenance service is per-
formed.
SPARK PLUG
At regular intervals, remove the spark
plugs and clean off any carbon deposits or
replace as required.
To remove and clean the spark plugs :
Before carrying out the following opera-
tions, 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
Inspect the plugs
①
,
②
and drain water
and oil at the periodic maintenance interval.
The air cleaner oil drain plug
①
is located
beneath the air cleaner case.
The air cleaner chamber oil drain plug ②
is located beneath the air cleaner chamber.
⊙ AIR CLEANER & AIR CLEANER
CHAMBER OIL DRAIN PLUG
❶
❷