KTM 250 EXC-F 2020
- Motor og eksos
- Ergonomi og komfort
- Bodywork og dekaler
- Programvare og elektronikk
- Tekniske detaljer
FEISTY OFFROAD ATTITUDE
The smallest model of the KTM 4-stroke range has a surpringly big bite for its size. With its super compact, powerful engine, minimal weight and fantastic handling, its a great choice for motivated amateurs and ambitious pros alike. Thanks to its advanced fuel injection system, this powerplant offers class-leading performance, plenty of torque, great throttle response and controlled power delivery. The new 250 EXC-F has a new frame that contributes to making it even easier to ride, inspiring complete rider confidence and riding progression.
Motor og Eksos
KTM continues its evolution of the sport of enduro with a new range of world-beating 4-stroke engines. The race-winning performance of KTM’s pros has filtered through to these powerful new motors, proving they’re capable of taking you to the front straight out of the crate. The reworked engines are the most competitve, compact and light engines on the market, setting the benchmark in Enduro-specific performance, rideabilty and reliability. This means they are capable of winning in each engine class, from amateur level to the fastest professionals.
The 250 EXC-F uses a new 6-speed transmission made by PANKL RACING SYSTEMS, that now features a stronger, forged raw material, ensuring the highest durability and reliability. There was no need to change the gear ratios that are perfectly matched to the power characteristics of the engine. All four-stroke engines are fitted with a gear […]
When it comes to improved power delivery and performance, the new exhaust plays a key role and packs a punch that is hard to beat. All 4-stroke EXC models feature new, two-piece header pipes (two parts instead of one on the predecessor) which can now be disassembled much more easily and which allows better access […]
ENGINE MANAGEMENT SYSTEM
The state-of-the-art Keihin Engine Management System, with electronic fuel injection, features a new 42 mm throttle body. There are separate systems for cold starting and idle adjustment, while an improved seal of the MAP sensor (MAP = Manifold-Absolute-Pressure) makes the system even more reliable. A reworked throttle cable mount allows for easy access and smoother […]
The standard electric starter on the KTM 250 EXC-F uses a proven starter drive and a strong starter motor made by Mitsuba. As demonstrated time and time again, it provides quick and reliable starting, saving you precious time and energy when you need it most.
The compact DOHC (double overhead camshaft) cylinder head features cutting-edge technology that is key to its class-leading performance. It has two new overhead camshafts which activate the titanium valves (intake 32.5mm, exhaust 26.5mm) via super-light DLC coated finger followers. For 2020 the cam shaft timings have been optimized to further enhance engine performance. Additionally, a […]
CYLINDER AND PISTON
The engine in the 2020 model features a new cylinder taken over from the successful KTM 250 SX-F. It has a bore of 78mm and in conjunction with a new cylinder head gasket, now has a raised compression ratio of 13.8 :1. The forged, bridged, box-type piston made by CP, features a unique piston crown […]
The KTM 250 EXC-F’s crankshaft is located in an ideal position close to the center of gravity, contributing to easier handling. It utilizes a short connecting rod, which makes for an overall compact and lightweight engine with a snappy power delivery. A plain big (bottom) end bearing with two force-fitted bearing shells runs directly on […]
CRANKCASES AND ENGINE COVERS
The EXC models feature reworked engine cases, reducing the weight by nearly 300 g. The design allows for a very centralized shaft configuration, making the engine very short and compact, while contributing to an efficient centralization of mass. Additionally, the engine covers feature a smart surface structure which reduces wear caused by the rider’s boots, […]
Maintaining the optimal engine temperature and consistent horsepower throughout the ride. The KTM 250 EXC-F features newly designed radiators which are mounted 12 mm lower than the predecessors, lowering the center of gravity, matching the design of the new shrouds perfectly and providing perfect ergonomics. By using CFD technology (Computational Fluid Dynamics) and a smarter […]
The KTM 250 EXC-F is fitted with the extremely durable, KTM-developed DDS clutch (damped diaphragm steel), with a wear-free steel basket and heat resistant clutch plates. It uses a diaphragm spring instead of the usual coil springs, which results in considerably easier clutch action. The diaphragm spring is also compact enough to allow for a […]
The multifunctional side-mounted counter balance shaft masterfully balances all the oscillating forces, while also driving the water pump. It effectively keeps engine vibrations to a minimum, resulting in the smoothest ride even at the highest engine speeds.
KTM engineers take weight loss seriously. As a result, they have crafted the 2020 KTM EXC-F models to be the slimmest, lightest and quickest-turning enduro bikes available. And with an E-starter as standard, getting the big single turned over is as simple as pressing a button.
KTM uses lightweight, CNC-machined hubs and high-end GIANT rims on all Enduro models, guaranteeing maximum stability and minimum weight. For 2020, the aluminum spoke nipples feature a reworked design, which conveniently reduces the frequency with which the spokes need to be tightened.
The EXC-Fs are fitted with forged triple clamps with an offset of 22mm, ensuring a solid grip of the fork and precise handling. The handlebar is adjustable forwards and backwards over 4 positions, so the EXC-F will fit you like your favorite gloves.
The KTM 250 EXC-F’s one-piece aluminum swingarm is manufactured using a gravity die-cast production process, offering exceptional strength at the lowest possible weight. The single-component casting process offers low weight, perfect flex behavior and also allows for a large number of geometry solutions.
The WP XPLOR shock absorber is the key element on the proven PDS rear suspension design (progressive damping system), where the shock is directly linked to the swingarm without an additional linkage system. This keeps weight lower and reduces the chances of hooking on rocks. Optimal enduro-specific damping progression is achieved by using a second […]
All models in the EXC range are fitted with newly designed lightweight polyethylene tanks improving the ergonomics. The ¼-turn bayonet filler cap makes for quick and easy closure. Manufactured using see-through plastic, you will always be able to see how much fuel remains at a glance. It is fitted with an integrated fuel pump system […]
All EXC models are fitted with the latest 48 mm diameter, WP XPLOR upside-down forks, featuring a split fork design developed by WP and KTM. While each side is fitted with springs, they have separate damping functions. Compression damping is on the left and the rebound on the right. Both can easily be adjusted via […]
All EXC models feature new high-tech, lightweight chromoly steel frames. This includes hydro-formed elements produced by state-of-the-art robot welding. They retain their race-proven geometries, but by re-designing certain areas they now have a higher lateral, longitudinal and torsional stiffness, resulting in better feedback for the rider, playful handling and improved stability. The laterally attached engine […]
These high-tech Brembo brakes are combined with lightweight Wave brake discs. You couldn’t brake any harder or with better feel on an offroad motorcycle.
The new airbox on the KTM 250 EXC-F has been completely reworked to ensure better flow dynamics, resulting in optimal power and throttle response. Despite the obvious performance enhancements, the new design also offers maximum protection against soiling of the air filter. The large twin-air air filter is mounted on a cleverly designed stiff cage […]
Ergonomi og komfort
Designed for complete harmony between rider and bike, KTM has exploited the knowledge from decades of race success to create perfect ergonomics on the KTM 250 EXC-F. Maximum rider comfort and movement in all conditions is guaranteed.
All KTM EXC models are equipped with the same high-strength aluminum tapered NEKEN handlebar. The handlebar allows for four different positions. The handlebars come standard with an ODI vulcanized grip on the right side and a comfortable ODI lock-on grip, which does not require any wire or glue, on the left. All models can be […]
Sophisticated ´No-Dirt´ footpegs prevent clogging up the pegs, even when digging in deep ruts. The pegs on the Enduro models are 6mm higher than the ones used on SX models, which benefits ground clearance. But you can swap them at will.
Bodywork og dekaler
With input from KTM’s factory riders, as well as KTM R&D and Kiska Design, the new bodywork of the KTM 250 EXC-F pushes the boundaries of progression even further. The result is a shape across the entire range, that achieves complete harmony between rider and bike. The main goal was to provide the optimal contact points that allow a rider maximum freedom of movement and improved handling. The front and rear fenders feature an intelligent I-beam design, guaranteeing maximum stability with the lowest possible weight. A new tail light design fits perfectly to the new shape of the rear fender and the number plate carrier. The new in-mold graphics confirm the high-performance intentions of this bike, as well as KTM’s never-ending quest for race-winning progression.
Programvare og elektronikk
The state-of-the-art KEIHIN engine management system, with electronic fuel injection, features a new 42 mm throttle body, which provides a spontaneous response and maximum performance thanks to its unique injector position. The ECU features new maps adapted to the new exhaust, airbox and engine configuration and it regulates the unique traction control which can be activated by an optional map select switch. In addition, the ECU provides different maps for optimal power characteristics for each gear according to the information received by the gear sensor.
BATTERY & WIRING HARNESS
All engines are fitted with the proven electric starter, which is a major benefit for any offroad activity. It is powered by a super lightweight 2 ah lithium-ion starter battery, which provides safe, reliable starting. A reworked wiring harness and revised packaging has most of the electrical components concentrated into a common area below the […]
- 1-cylinder, 4-stroke engine
- 249.91 cm³
- 78 mm
- 52.3 mm
- Electric starter
- Wet, DDS multi-disc clutch, Brembo hydraulics
- Keihin EMS
- Frame design
- Central-tube frame with double-cradle
- Rear suspension
- WP Xplor PDS shock absorber
- Suspension travel (front)
- 300 mm
- Suspension travel (rear)
- 310 mm
- Front brake
- Brembo twin-piston floating calliper, brake disc
- Rear brake
- Brembo single-piston floating calliper, brake disc
- Front brake disc diameter
- 260 mm
- Rear brake disc diameter
- 220 mm
- X-Ring 5/8 x 1/4″
- Steering head angle
- 63.5 °
- Ground clearance
- 355 mm
- Seat height
- 960 mm
- Tank capacity (approx.)
- 9.2 l
- Weight READY TO RACE (without fuel)
- 103 kg