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ENGLISH
25
– Tire pressure should be checked regularly on a “cold” tire. Proper pres-
sure ensures optimum driving comfort and extends the life of your tires.
WARNING
– D
O NOT MOUNT TIRES WHICH HAVE NOT BEEN APPROVED BY
KTM. O
THER TIRES
COULD HAVE ADVERSE EFFECTS ON THE WAY YOUR MOTORCYCLE RIDES
.
– T
HE FRONT AND REAR WHEEL ARE ONLY ALLOWED TO BE TIRED WITH TIRES THAT
HAVE THE SAME PROFILE TYPE
.
– F
OR YOUR OWN SAFETY REPLACE DAMAGED TIRES IMMEDIATELY
.
– W
ORN TIRES CAN HAVE A NEGATIVE EFFECT ON HOW YOUR MOTORCYCLE PER
-
FORMS
,
ESPECIALLY ON WET SURFACES
– I
F AIR PRESSURE IS TOO LOW
,
ABNORMAL WEAR AND OVERHEATING OF THE TIRE
CAN RESULT
.
– W
HEN MOUNTING TIRES YOURSELF KEEP IN MIND THAT THE REAR WHEEL NEEDS A
REINFORCED TUBE
(B
RIDESTONE
17 CR).
– F
OR CORRECT TUBE POSITIONING AFTER MOUNTING THE TIRE FILL THE TUBE WITH
AIR UNTIL THE TIRE RESTS CORRECTLY AGAINST THE RIM
. T
HEN DEFLATE THE TUBE
AND INFLATE IT TO NORMAL OPERATING PRESSURE
(
SEE BELOW
).
Checking spoke tension
The correct spoke tension is very important for the stability of the wheels
and thus for riding safety. A loose spoke causes the wheel to become
unbalanced and before long other spokes will have come loose. Check
spoke tension, especially on a new motorcycle, in regular intervals. For
checking, tap on each spoke with the blade of a screw driver (see illustra-
tion). A clear tone must be the result. Dull tones indicate loose spokes. If
necessary, have the spokes retightened and the wheel centered by a KTM
dealer.
Cooling system
Cooling liquid is circulated by a water pump
1
located in the engine.
When the engine is cold the cooling liquid circulates only through the
cylinder and the cylinder head. After the engine has reached its operating
temperature (about 70° C, 158° F), the thermostat
2
opens and the coo-
ling liquid is also pumped through both aluminum radiators.
Air blowing in through the radiators cools the cooling liquid. The slower
the speed of the motorcycle, the less the cooling liquid is cooled down.
Dirty radiator fins also reduce the cooling efficiency.
If little or no air blows through the radiators, for example when riding
through slow traffic or waiting at traffic lights, the cooling liquid tempera-
ture will rise. If the cooling liquid temperature rises to 85° C (185° F), the
fan on the left radiator will switch on. This fan will provide additional air
circulation through the radiator thereby preventing the cooling system
from overheating.
!
CAUTION
!
I
F THE RED COOLING LIQUID TEMPERATURE WARNING LAMP LIGHTS UP
,
THIS WILL MOST
LIKELY BE DUE TO A DEFECT IN THE COOLING SYSTEM
. I
N THIS CASE
,
STOP IMMEDIATELY
AND TURN OFF THE ENGINE
. L
ET THE ENGINE COOL DOWN AND CHECK THE COOLING
SYSTEM FOR LEAKS
. A
LSO CHECK IF THERE IS ENOUGH COOLING LIQUID
. CAUTION -
SCALDING HAZARD! D
O NOT DRIVE ON
,
UNTIL THERE IS SUFFICIENT LIQUID IN THE
COOLING SYSTEM
. H
OWEVER
,
CALL ON ONE OF
KTM’
S DEALERS AS SOON AS POSSIBLE
IN ORDER TO HAVE THE DEFECT REMEDIED
. I
F YOU DRIVE ON EVEN THOUGH THE WAR
-
NING LAMP IS LIT
,
YOU WILL DAMAGE YOUR ENGINE
.
WARNING
I
F THE RADIATOR CAP IS REMOVED WHEN THE ENGINE IS HOT
,
HOT COOLING LIQUID
,
THAT IS UNDER PRESSURE
,
CAN SPRAY OUT AND CAUSE SEVERE BURNS
.
front tyre air pressure
rear tyre air pressure
operator only
2,0 bar
2,2 bar
operator plus passenger
2,2 bar
2,4 bar
1
2
Содержание DUKE 640 e
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Страница 41: ...ENGLISH 39 Notices...
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Страница 43: ...ENGLISH 41 Beschreibung Schaltplan...