KTM 250 DUKE User Manual

21 TECHNICAL DATA 170
Screw, side stand bracket M10x1.25 25 Nm (18.4 lbf ft) Loctite
®
243™
Screw, top shock absorber M10x1.25 45 Nm (33.2 lbf ft) Loctite
®
243™
Nut, rear wheel spindle M14x1.5 90 Nm (66.4 lbf ft) –
Nut, swingarm pivot M14x1.5 100 Nm (73.8 lbf ft) –
Screw, top steering head M16x1.5 53 Nm (39.1 lbf ft) Loctite
®
243™
Lambda sensor M18x1.5 19 Nm (14 lbf ft) –
Swingarm bearing adjusting ring M22x1 Tighten and ensure that there
is no play
–
Nut, steering head M30x1 Step 1
55 Nm (40.6 lbf ft)
2nd stage (loosen, counter-
clockwise)
2 turns
Step 3
5 Nm (3.7 lbf ft)
–

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