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2018 KTM 250 XC-W TPI

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250 XC-W TPI



KTM’s 250cc engine is known to be the most powerful and most competitive 2-stroke engine in the world. And now things get even better. The 2018 KTM 250 XC-W TPI boasts a newly developed and patented TPI (transfer port injection) fuel injection system - a truly unique feature when it comes to 2-stroke race bikes. The patented EFI system with two injectors into the transfer ports of the cylinder makes the engine much smoother to ride and reduces the fuel consumption drastically, a global game changer in terms of technology. Gone is the hassle of jetting, premixing gas and difficult starting. It was time to give a new push to 2-stroke technology and prove 2-strokes have a bright future. The KTM 250 XC-W TPI is leading the charge as the most advanced READY TO RACE 2-stroke.

  • NEW 249cc 2-Stroke engine fitted with a patented TPI fuel injection system for perfect fueling at any altitude, no premixing and reduced fuel consumption while still living up to the standard of a KTM 2-stroke.
  • NEW Cylinder with two injectors placed in the rear transfer ports for excellent downstream atomization of fuel.
  • NEW EMS featuring a new ECU controlling ignition timing and fuel based on information from 5 sensors reading intake and ambient air pressure, throttle position, oil and water temperature for optimized engine response.
  • NEW 39mm throttle body by Dell'Orto features a butterfly valve controlled by a twin cable throttle.
  • NEW electronic oil pump feeds oil from the 700cc oil tank to intake to ensure a perfect fueloil mix under any condition while reducing smoking by 50% for up to 5 tanks of fuel.
  • UPDATED WP Xplor 48 upside-down split front fork with new outer tubes for more sensitivity, less stiction and reduced weight. Revised settings are stiffer as well.
  • UPDATED WP Xplor PDS rear suspension features stiffer settings while still offering the progressive feel and excellent bottoming resistance only PDS can provide.
  • NEW radiator guards provide better airflow in muddy conditions.
  • Engine cases feature a compact shaft arrangement for better mass centralization.
  • Cylinder with twin-valve controlled power valve for smooth power that can be adjusted within seconds for different track conditions.
  • Revolutionary lateral counter balancer reduces engine vibrations for less rider fatigue at the end of the moto.
  • 6-speed wide ratio transmission is perfectly suited for off -road duty
  • Hydraulically operated DDS clutch features a damping system for better traction and durability.
  • Lightweight Chromoly steel frame provides high torsional rigidity with less longitudinal stiffness resulting in excellent handling and energy absorption
  • PDS Shock mounting geometry is matched to the aluminum swingarm with a centered location for nearly symmetrical loads to the swingarm.
  • Forged aluminum triple clamp with handlebar positions and a 22mm offset for precise handling.
  • ODI grips that feature a lock-on design for the left grip and a vulcanized grip on the throttle side.
  • "No Dirt" footpeg design keeps the pegs pivot from becoming clogged, ensuring the footpeg is always in the correct position.
  • CNC machined hubs, high-end Giant rims and Dunlop tires for maximum strength and traction
  • Airbox and filter design provides maximum performance with fast "no tools" air filter changes.
  • Bodywork with perfect ergonomics and contact points for maximum control and comfort.
  • 2.4 gallon see-through polyethylene tank provides the range needed from a true READY TO RACE enduro bike.
  • "No Dirt" shift lever prevents dirt from fouling the lever joint to ensure proper shifting in any condition.
  • Engine Type: Single Cylinder, 2-Stroke
  • Displacement: 249 cc
  • Bore/Stroke: 64.4 / 72 mm
  • Starter: Electric, Lithium Ion 12 V 2 Ah / Kickstarter
  • Transmission: 6 Gears, wide ratio
  • Fuel System: TPI, Dell’Orto 39mm Throttle Body
  • Lubrication: Electronically Regulated Oil Pump
  • Primary Ratio: 26:73
  • Final Drive: 13:50
  • Cooling: Liquid Cooling
  • Clutch: Wet Multi-Disc DDS Clutch, Brembo Hydraulics
  • Ignition: Synerject EMS
  • Frame: Central Double-Cradle Type 25CrMo4 Steel
  • Subframe: Aluminum
  • Handlebar: Neken, Aluminum Ø 28/22mm
  • Front Suspension: WP Xplor USD Ø 48mm
  • Rear Suspension: WP Xplor PDS Monoshock
  • Suspension Travel Front/Rear: 300 mm / 11.8 in; 310 mm / 12.2 in
  • Front/Rear Brakes: Disc Brake 260 mm; 220 mm
  • Front/Rear Rims: 1.60 x 21” / 2.15 x 18” Giant
  • Front/Rear Tires: 80/100-21” / 110/100-18” Dunlop GEOMAX AT81
  • Chain: 5/8 x 1/4 in
  • Silencer: Aluminum
  • Steering Head Angle: 26.5º
  • Triple Clamp Offset: 22 mm
  • Wheelbase: 1,482mm ± 10 mm / 58.3 ± 0.4 in
  • Ground Clearance: 370mm / 14.6 in
  • Seat Height: 960 mm / 37.8 in
  • Tank Capacity, Approx: 9 l / 2.4 gal
  • Weight (without fuel), Approx: 103 kg / 227 lbs
The illustrated vehicles may vary in selected details from the production models and some illustrations feature optional equipment available at additional cost. All information concerning the scope of supply, appearance, services, dimensions and weights is non-binding and specified with the proviso that mistakes, printing, setting and typing errors may occur; such information is subject to change without notice.



Engine Type
Single Cylinder, 2-Stroke
249 cc
Bore and Stroke
64.4 x 72 mm
Liquid Cooling
Fuel System
TPI, Dell’Orto 39mm Throttle Body
Synerject EMS


Front Suspension
WP Xplor USD Ø 48mm
Front Brakes
Disc Brake 260 mm
Front Tire
80/100-21 in. Dunlop GEOMAX AT81
Rear Suspension
WP Xplor PDS Monoshock
Rear Brakes
Disc Brake 220 mm
Rear Tire
110/100-18 in. Dunlop GEOMAX AT81


Dry Weight
227 lb. (103 kg)
Fuel Capacity
2.4 gal. (9 L)
58.3 ± 0.4 in. (1,482mm ± 10 mm)
Ground Clearance
14.6 in. (370mm)
Seat Height
37.8 in. (960 mm)


6 Gears, wide ratio
Final Drive
Chain: 5/8 x 1/4 in

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