KTM 250 EXC Enduro (2005-06)

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The KTM 250 EXC Enduro motorcycle was manufactured in 2005-06 and comes equipped with a two-stroke, single-cylinder engine with a capacity of 249cc. The engine is liquid-cooled and lubricated with two-stroke oil, mixed in a ratio of 1:40-1:60. It uses EFI induction and a Kokusan 2K-3 ignition system. The bike has a kick start and a wet, multiplate, hydraulically operated clutch. The transmission is five-speed with a primary drive ratio of 25:72, and gear ratios of 1st 14:30, 2nd 17:26, 3rd 19:23, 4th 20:20, and 5th 29:23. The final drive ratio is 13:40 and uses a chain, 5/8″ x 1/4″. The central chrome-moly-steel frame combines with WP Extreme 48mm upsidedown fork front suspension, and WP Progressive Damping System shock absorber, aluminium swingarm rear suspension. The front brake is a single 260mm floating caliper disc, and the rear brake is a single 220mm floating caliper disc. The bike has a steering head angle of 63.5o, a wheelbase of 1475mm, a ground clearance of 385mm, and a seat height of 925mm. The dry weight of the bike is 102.6kg, and it has a fuel capacity of either 8.5L or 10L. Bike Sales review this model.

Technical specifications:

Make Model: KTM 250 EX/C Enduro

Year: 2005 – 06


Engine: Two stroke, single cylinder
Capacity: 249 cc / 15.2 cu in
Bore x Stroke: 72 x 66.4 mm
Cooling System: Liquid cooled
Lubrication: Two-stroke oil, mix: 1:40 – 1:60
Induction: EFI
Spark Plug: NGK BR 7 ES
Ignition: Kokusan 2K-3
Starting: Kick
Max Power: 12.7 kW / 17 hp @ 7400 rpm
Clutch: Wet, multiplate, hydraulically operated
Transmission: 5 Speed
Primary Drive Ratio: 25:72
Gear Ratios: 1 st 14:30 / 2nd 17:26 / 3rd 19:23 / 4th 20:20 / 5th 29:23
Final Drive Ratio: 13:40

Final Drive: Chain, 5/8″ x 1/4″
Frame: Central chrome-moly-steel frame
Front Suspension: WP Extreme 48 mm upsidedown fork
Front Wheel Travel: 300 mm / 11.8 in
Rear Suspension: WP Progressive Damping System shock absorber, aluminium swingarm
Rear Wheel Travel: 335 mm / 13.2 in
Front Brakes: Single 260 mm disc, floating caliper
Rear Brakes: Single 220 mm disc, floating caliper
Front Tyre: 90/90 – 21″ MT83
Rear Tyre: 140/80 – 18″ MT83
Steering Head Angle: 63.5o
Wheelbase: 1475 mm / 58.1 in
Ground Clearance: 385 mm / 15 in
Seat Height: 925 mm / 36.4 in
Dry Weight: 102.6 kg / 226 lbs
Fuel Capacity: 8.5 L or 10 L / 2.2 US gal or 2.6 US gal / 1.9 Imp gal or 2.2 Imp gal
Review: Bike Sales

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