KTM 390 DUKE 2021 User Manual

13 BRAKE SYSTEM
144
Warning
Danger of accidents Old brake fluid reduces the braking effect.
– Make sure that brake fluid for the front and rear brake is changed in accordance with the service
schedule. (Your authorized KTM workshop will be glad to help.)
Note
Environmental hazard Hazardous substances cause environmental damage.
– Dispose of oils, grease, filters, fuel, cleaning agents, brake fluid, etc., correctly and in compliance with
the applicable regulations.
Info
Never use DOT 5 brake fluid. It is silicone-based and purple in color. Oil seals and brake lines are not
designed for DOT 5 brake fluid.
Avoid contact between brake fluid and painted parts. Brake fluid attacks paint.
Only use clean brake fluid from a sealed container.
Preparatory work
– Check the front brake linings. ( p. 146)

KTM 390 DUKE 2021 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
Cooling System	Liquid cooled
Frame	Steel trellis frame, powder coated
Rear Suspension	WP APEX Monoshock
Front Tire	110/70 ZR17
Rear Tire	150/60 ZR17
Wheelbase	1, 357 mm
Seat Height	830 mm
Ground Clearance	185 mm
Dry Weight	149 kg
Instrumentation	TFT display
Headlight	LED
Tail Light	LED
Power	32 kW (44 hp) @ 9, 000 rpm
Fuel System	Electronic Fuel Injection
Front Suspension	WP Apex 43 mm
Rear Brake	Single-piston floating caliper, brake disc
ABS	Bosch 9.1MP Two Channel ABS (Supermoto ABS)
Fuel Tank Capacity	13.4 l
Engine Type	Single-cylinder, 4-stroke, liquid-cooled
Front Brake	Four-piston radial fixed caliper, brake disc