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Battery
The battery is located in the front spoiler in front of the engine and is maintenance-free. It
is not necessary to check the electrolyte level or to refill water. Simply keep the battery poles
clean and slightly grease them with an acid-free grease if necessary. The charge condition
and type of charge are very important for the battery's service life.
NEVER OPERATE THE MOTORCYCLE WITH A RUN-DOWN BATTERY OR WITHOUT THE BATTERY.
THIS CAN DAMAGE THE ELECTRONIC COMPONENTS OR SAFETY EQUIPMENT IN EITHER CASE-
AND THE MOTORCYCLE WILL NO LONGER BE ROADWORTHY.
NEVER REMOVE THE CLOSING COVER [1] OTHERWISE THE BATTERY WILL BE DAMAGED.
– Tire type and size can be found in the technical specifications and in the homologation
certificate.
– For the type of tires authorized by KTM, contact your authorized KTM dealer or special-
ized tire dealer.
– Tire condition has to be checked every time you want to ride your motorcycle. Before
leaving check for punctures and nails or other sharp objects that might have become
embedded in the tire.
– Refer to the specific regulations in your country for minimum tire tread requirements.
We recommend replacing tires at the latest when the tread is down to 2 mm (0.08 in).
– Tire pressure should be checked regularly on a „cold“ tire. Adapt the air pressure to the
motorcycle's total weight. Proper pressure ensures optimum driving comfort and extends
the life of your tires.
MAINTENANCE WORK ON CHASSIS AND ENGINE »
52
TIRES – AIR PRESSURE
990 Super Duke
front rear
Road, driver only 2.4 bar
34 psi
2.4 bar
34 psi
Road, with passenger
2.4 bar
34 psi
2.6 bar
37 psi
maximum payload 2.4 bar
34 psi
2.6 bar
37 psi
1
– DO NOT MOUNT TIRES WHICH HAVE NOT
BEEN APPROVED BY KTM. OTHER TIRES
COULD HAVE ADVERSE EFFECTS ON THE WAY
YOUR MOTORCYCLE RIDES.
– USE TIRES OF THE SAME BRAND AND TYPE
FOR THE FRONT AND REAR WHEELS.
– FOR YOUR OWN SAFETY REPLACE DAM-
AGED TIRES IMMEDIATELY.
– WORN TIRES CAN HAVE A NEGATIVE EFFECT
ON HOW YOUR MOTORCYCLE PERFORMS,
ESPECIALLY ON WET SURFACES.
– IF AIR PRESSURE IS TOO LOW, ABNORMAL
WEAR AND OVERHEATING OF THE TIRE CAN
RESULT.
–
NEW TIRES HAVE A SMOOTH SURFACE,
WHICH MEANS THAT THEY MUST BE RUN
IN TO ACHIEVE FULL GRIP. FOR THIS PUR-
POSE, RIDE THE MOTORCYCLE CAREFULLY
AT MODERATE SPEED DURING THE FIRST
200 KILOMETERS (125 MILES) WITH NEW
TIRES, TILTING THE VEHICLE AT DIFFERENT
ANGLES SO THAT ALL SECTIONS ARE PROP-
ERLY ROUGHENED. TIRES WILL NOT DISPLAY
THEIR FULL GRIP CHARACTERISTICS UNTIL
THEY ARE PROPERLY RUN IN.
– FOR REASONS OF SAFETY, IT IS RECOM-
MENDED TO EXCHANGE THE VALVE INSERT
WHENEVER A NEW TIRE IS MOUNTED.