KTM 250 DUKE User Manual

15 COOLING SYSTEM 137
Warning
Danger of poisoning Coolant is poisonous and a health hazard.
– Coolant must not come into contact with the skin, eyes, or clothing. If contact occurs with the eyes, rinse with water immedi-
ately and contact a physician. Immediately clean contaminated areas on the skin with soap and water. If fuel is swallowed, con-
tact a physician immediately. Change clothing that is contaminated with coolant. Keep coolant out of reach of children.
Condition
The motor is cold.
K00033-10
– Stand the motorcycle upright on a horizontal surface.
–
Check the coolant level in the compensating tank

.
The coolant level must be between MIN and MAX.
» If the coolant level does not match the specified value:
– Correct the coolant level.
Coolant ( p. 171)
K00034-10
–
Remove radiator cap

and check the coolant level in the radiator.
The radiator must be filled completely.
» If the coolant level does not match the specified value:
– Check the coolant level and the reason for the loss.
Coolant ( p. 171)
» If you had to add more coolant than the specified amount:
> 0.20 l (> 0.21 qt.)
– Fill/bleed the cooling system. ( p. 139)

KTM 250 DUKE Specifications

General

Engine Type	1-cylinder, 4-stroke engine
Displacement	248.8 cc
Max Torque	24 Nm @ 7, 500 rpm
Transmission	6-speed
Cooling System	Liquid cooled
Rear Suspension	WP monoshock
Seat Height	830 mm
Dry Weight	149 kg
Bore x Stroke	72 mm x 61.1 mm
Compression Ratio	12.5:1
Ground Clearance	185 mm
Max Power	22.1 kW (30 hp) @ 9, 000 rpm
Fuel System	Bosch Electronic Fuel Injection (EFI)
Front Suspension	WP upside-down fork
Front Brake	Four-piston radial fixed caliper, brake disc
Rear Brake	Single-piston floating caliper, brake disc
Fuel Tank Capacity	13.4 l
Frame	Steel trellis frame