KTM 390 DUKE 2017 User Manual

12 SERVICE WORK ON THE CHASSIS
120
F00879-10
Main work
–
Push dust boots
1
of both fork legs downward.
Info
The dust boots should remove dust and coarse dirt par-
ticles from the fork tubes. Over time, dirt can accumu-
late behind the dust boots. If this dirt is not removed,
the oil seals behind can start to leak.
Warning
Danger of accidents Oil or grease on the brake discs
reduces the braking effect.
– Always keep the brake discs free of oil and grease.
– Clean the brake discs with brake cleaner when nec-
essary.
– Clean and oil the dust boots and inner fork tubes of both fork
legs.
Universal oil spray ( p. 241)
– Press the dust boots back into their installation position.
– Remove excess oil.
Finishing work
– Take the motorcycle from the front lifting gear. ( p. 118)

KTM 390 DUKE 2017 Specifications

General

Displacement	373.2 cc
Bore x Stroke	89 mm x 60 mm
Compression Ratio	12.6:1
Torque	37 Nm @ 7, 000 rpm
Transmission	6-speed
Fuel System	Electronic Fuel Injection
Cooling	Liquid cooled
Frame	Steel trellis frame, powder coated
Rear Suspension	WP monoshock
Front Tire	110/70 R17
Rear Tire	150/60 R17
Seat Height	830 mm
Ground Clearance	185 mm
Dry Weight	149 kg
Engine Type	Single cylinder, 4-stroke
Power	32 kW (44 hp) @ 9, 000 rpm
Clutch	Wet multi-disc clutch
Front Suspension	WP upside-down Ø 43 mm
Front Brake	320 mm Disc, Four-Piston Radial Fixed Caliper
Rear Brake	230 mm Disc, Single-Piston Floating Caliper
ABS	Bosch 9MB two-channel ABS
Fuel Tank Capacity	13.4 liters