KTM 250 DUKE User Manual

21 TECHNICAL DATA 163
Brake system
Front Disc brake with four-pot brake caliper
Rear Disc brake with single-piston brake caliper, floating
Suspension travel
Front 150 mm (5.91 in)
Rear 150 mm (5.91 in)
Brake discs - diameter
Front 300 mm (11.81 in)
Rear 230 mm (9.06 in)
Brake discs - wear limit
Front 3.6 mm (0.142 in)
Rear 3.6 mm (0.142 in)
Tire air pressure, solo
Front 2.0 bar (29 psi)
Rear 2.0 bar (29 psi)
Tire air pressure with passenger/full payload
Front 2.0 bar (29 psi)
Rear 2.2 bar (32 psi)
Secondary ratio 14:46
Chain 5/8 x 1/4” (520) X‑ring
Steering head angle 65°
Wheelbase 1,367±15 mm (53.82±0.59 in)
Seat height, unloaded 800 mm (31.5 in)
Ground clearance, unloaded 170 mm (6.69 in)
Dry weight 139 kg (306 lb.)

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