To Next Page

To Previous Page

21 TECHNICAL DATA 161

Screw, starter motor M6 12 Nm (8.9 lbf ft) –

Screw, timing chain tensioner M6 12 Nm (8.9 lbf ft) –

Screw, timing chain tensioning rail M6 12 Nm (8.9 lbf ft) Loctite

243™

Screw, unlocking of timing chain ten-

sioner

M6 6 Nm (4.4 lbf ft) –

Screw, valve cover M6 12 Nm (8.9 lbf ft) –

Screw, water pump cover M6 12 Nm (8.9 lbf ft) –

Nut, exhaust flange M8 22 Nm (16.2 lbf ft) –

Nut, manifold on cylinder head M8 20 Nm (14.8 lbf ft) –

Screw plug M8 12 Nm (8.9 lbf ft) Loctite

243™

Screw, balancer shaft gear M8 25 Nm (18.4 lbf ft) Loctite

243™

Screw, return spring, quick shifter M8 20 Nm (14.8 lbf ft) Loctite

243™

Stud, exhaust flange M8 22 Nm (16.2 lbf ft) –

Screw, conrod bearing M8x1 34 Nm (25.1 lbf ft) –

Oil pressure sensor M10 14 Nm (10.3 lbf ft) –

Rotor screw M10 110 Nm (81.1 lbf ft) Loctite

243™

Screw, camshaft drive sprocket M10 32 Nm (23.6 lbf ft) Loctite

243™

Screw, cylinder head M10 1st stage

30 Nm (22.1 lbf ft)

2nd stage

60 Nm (44.3 lbf ft)

Thread is oiled, head flat is

greased

Water temperature sensor M10 14 Nm (10.3 lbf ft) –

Screw plug, cam lever axis M10x1 9 Nm (6.6 lbf ft) –

Spark plug M12 15 Nm (11.1 lbf ft) –

Nut, inner clutch hub M16LHx1.5 120 Nm (88.5 lbf ft) Loctite

243™

Questions and Answers:

Need help?

Do you have a question about the KTM 250 DUKE and is the answer not in the manual?

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