The KTM 250 EXC Enduro is a lightweight, affordable, and easy-to-maintain enduro machine that still packs a punch in the world of two-stroke engines.
Its 250cc two-stroke motor produces a wealth of usable power, thanks in part to the advanced powervalve system, which provides a smooth transition into the strong mid and top rev range. The engine’s flexible power delivery and impressive pulling power from low revs make it an absolute joy to ride.
With a reputation for being less expensive to buy and maintain than many four-stroke competitors, the KTM 250 EXC is an attractive option for those looking for a hassle-free enduro experience. And with its highly tuneable powervalve system, owners can fine-tune their bike to suit their riding style.
The result is a machine that’s both capable and enjoyable to ride, making the KTM 250 EXC a standout choice in the world of enduro motorcycles.
Key Specifications
Engine Type
Two stroke, single cylinder
Engine Capacity
249 cc / 15.2 cu in
Fuel Tank Capacity
2.5 US gallons / 9.5 L
Seat Height
36.4 inches / 925 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
KTM 250 EXC Enduro
Year
2005 – 2007
Engine
Engine Type
Two stroke, single cylinder
Displacement
249 cc / 15.2 cu in
Bore x Stroke
66.4 x 72.0 mm
Compression Ratio
11.0:1
Engine Management System
Keihin PWK 36 S AG Carburettor
Lubrication System
Mixture oil lubrication 1:60
Cooling System
Liquid cooled
Performance
Top Speed
n/a
*n/a – information not provided by manufacturer
Transmission
Clutch
Wet, multiplate, hydraulically operated
Gearbox
5 Speed
Final Drive
Chain, 5/8 x 1/4 in
Electrical & Electronics System
Starter
Kick
Chassis & Suspension
Frame Type
Chromium molybdenum
Front Suspension
WP Extreme 50 mm USD fork
Front Suspension Travel
11.0 inches / 280 mm
Rear Suspension
WP Progressive damping system shock absorber, aluminium swingarm
Rear Suspension Travel
12.6 inches / 320 mm
Rake
26.5
Trail
112 mm / 4.1 in
Wheels & Brakes
Front Tire Size
90/90 – 21 54R
Rear Tire Size
140/80 – 18 70R
Front Brakes
Single 260 mm disc, floating caliper
Rear Brakes
Single 220 mm disc, floating caliper
Dimension & Weights
Seat Height
36.4 inches / 925 mm
Wheelbase
58.3 inches / 1481 mm
Ground Clearance
385 mm / 15 in
Fuel Tank Capacity
2.5 US gallons / 9.5 L
Dry Weight
102.5 kg / 226 lbs
Features
Lightweight and affordable
Enduro weapons
Two-stroke engines
Plenty of useable power with less weight
Less expensive to buy than four-strokes
Easier and cheaper to maintain than most four-strokes
KTM powervalve system for smooth power delivery
Non-adjustable powervalve on the 200
Tuneable powervalve on the 250 and 300
Adjustable powervalve spring tension on the 250 and 300
Three colour-coded springs for powervalve adjustment
Red spring for high-end performance
Green spring for tamest power delivery
Mid range spring as standard fitting
Preload adjuster for powervalve spring (not recommended to adjust)
Sharp throttle response
No engine braking like four-strokes
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*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com
