Fuel, Engine Oil And Coolant Recommendation; Engine Oil; Engine Oil Specification - HYOSUNG GT 650 EFI Owner's Manual

FUEL, ENGINE OIL AND
COOLANT RECOMMENDATION
F U E L
Use unleaded gasoline with an octane
rating of 91 or higher.
Unleaded gasoline can extend spark plug
life and exhaust components life.
CAUTION
Spilling gasoline can damage the paint-
ed surfaces.
Be careful not to spill any fuel when fill-
ing the fuel tank.
Wipe spilled gasoline up immediately.
WARNING
● ● When refueling, always shut the
engine off and turn the ignition key
to the "OFF" position.
Never refuel near the flames, sparks
and heat sources.
● ● Do not overfill the fuel tank.
Do not fill the fuel tank above the
entrance lower end.
◉ ◉ ENGINE OIL SPECIFICATION
Classification
system
API
SAE
※ If a SAE 10W/40 motor oil is not avail-
able, select alternative according to the
following chart.

ENGINE OIL

℃
-30
Temperature
℉
-22
Use the chart to select a viscosity rating
based on temperature range in your area.
N O T E
In very cold weather [below -15 ℃ ℃
(5 ° ° F)], use SAE 5W/30 for good start-
ing and smooth operation.
Using a premium quality four stroke motor
oil will increase the service life of your
motorcycle.
● ● Don't mix the unrecommended oil. It
could damage the engine.
● ● When refilling the oil, don't allow the
dust to get inside.
● ● Mop the oil spilt.
● ● Don't put the patch on the filler cap. It
could disturb the oil to be provided
and damage the engine.
15
ENGINE OIL
Grade
Over SG
10W/40
20W50
15W40 15W50
10W40 10W50
10W30
5W30
-20 -10 0 10 20
-4 32 50 68
14
WARNING
Remarks
30 40
86 104