HYOSUNG Aquila 250 Service Manual page 26

Oil should be changed while the engine is warm. Oil fil-
ter replacement at the above intervals, should be
together with the engine oil change.
● Keep the motorcycle upright.
● Place an oil pan below the engine, and drain the oil
by removing the filter cap ① and drain plug ②.
● Tighten the drain plug ② to the specified torque, and
pour fresh oil through the oil filter. Use an API classi-
fication of SF or SG oil with SAE 10Ｗ40 viscosity.
Oil drain plug : 18~20 N∙m (1.8~2.0 kg∙m)
● Start up the engine and allow it to run for several
minutes at idling speed.
● Turn off the engine and wait about three minutes,
then check the oil level through the inspection win-
dow. If the level is below mark "F" , add oil to "F" level.
If the level is above mark "F" , drain oil to "F"level.
CAUTION
Never operate the motorcycle if the engine oil level
is below the Lower line mark(L) in the engine oil
level gauge. Never fill the engine oil above the Up-
per line mark(F) .
Engine oil level being most suitable about 1mm under
the Upper line mark(F) of the engine oil lens. In
case of the engine oil pouring in excessively, the
engine output being made insufficient.
Be careful not to pouring in the engine oil exces-
sively.
CAUTION
Necessarily, confirm and clean the oil strainer
when replace the Engine oil (specially, when first
replacement).
CAUTION
More frequent servicing may be performed on mo-
torcycles that are used under severe conditions.
③ ③
PERIODIC MAINTENANCE 2-10
①
②
F
L
③