HYOSUNG GT 650, Service Manual

Page: 26 / 210

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 filler cap
①
and drain plug
②.
●
Tighten the drain plug ② to the specified torque, and
pour fresh oil through the oil filler. Use an API classi-
fication of Over SG oil with SAE 10W/40 viscosity.
●
Start up the engine and allow it to run for sever-
al 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
“
L
”
, add oil to
“
F
”
level.
If the level is above mark “ F ” , drain oil to “ F ” level.
Oil drain plug : 21 N
∙
m (2.1 kg
∙
m)
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CAUTION
Never operate the motorcycle if the engine oil level
is below the
“ Lower line mark(L) ” in the inspec-
tion window. Never fill the engine oil above the
“ Upper 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 pour the oil excessively into
engine.
CAUTION
Necessarily, confirm and clean the oil strainer
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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.
PERIODIC MAINTENANCE 2-10
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