2020 KTM 250 SX

2020 KTM 250 SX
Orange
MSRP: $8,299.00
Manufacturer: KTM
Condition: New

Description

Whether its power-to-weight or power and control, the KTM 250 SX is the perfect combination of all that counts. Featuring a high-performance 2-stroke engine fitted within a state-of-the-art chassis, this powerhouse is undoubtedly the fastest 250 cc 2-stroke on track. This proven race weapon is the right choice for those who thrive on that glorious 2-stroke sound while smashing out one hot lap after the next.

Specifications

ENGINE

DISPLACEMENT
249 cm³
DESIGN
1-cylinder, 2-stroke engine
BORE
66.4 mm
STROKE
72 mm
STARTER
Kickstarter
TRANSMISSION
5-speed
CLUTCH
Wet, DDS multi-disc clutch, Brembo hydraulics
EMS
Kokusan
 

CHASSIS

FRAME DESIGN
Central double-cradle-type 25CrMo4 steel
FRONT SUSPENSION
WP XACT-USD, Ø 48 mm
REAR SUSPENSION
WP XACT Monoshock with linkage
FRONT BRAKE
Disc brake
REAR BRAKE
Disc brake
FRONT BRAKE DISC DIAMETER
260 mm
REAR BRAKE DISC DIAMETER
220 mm
CHAIN
5/8 x 1/4"
STEERING HEAD ANGLE
63.9 °
 

Features

ENGINE & EXHAUST

  • ENGINE & EXHAUST KTM 2-strokes have been tearing up MX tracks for decades and are undoubtedly the fastest on the track today. Thanks to years of ongoing development, these engines are the benchmark in performance and technology, with the perfect combination of power, weight and control. Through melodic high-RPM screams, KTM 2-strokes continue to deliver thrilling high-performance harmonics.
  • ENGINE The engine of the KTM 250 SX features the latest 2-stroke technology, with a counter-balance shaft for low engine vibration, as well as a reliable hydraulically operated DDS clutch. It has a twin-valve controlled power valve, which contributes massively to making the KTM 250 SX engine the most competitive 2-stroke in its class. Powering through its 5-speed transmission truly is an exhilarating experience.
  • CYLINDER The cylinder on the KTM 250 SX has a bore of 66.4 mm and is fitted with a Twin-Valve powervalve system. The exhaust port is machined for precise power valve function, providing excellent overall power delivery. By using the two supplied springs, the power characteristics can be changed quickly and easily, ensuring optimal settings for different tracks and rider preference. The lateral cylinder head brackets are made of aluminum and reduce vibration to levels of near insignificance.
  • CRANKCASES AND ENGINE COVERS The compact engine cases are manufactured using a high pressure die-cast production process that helps with weight reduction, while retaining strength and durability. The design allows for optimal shaft arrangements closer to the center of gravity, resulting in perfect mass centralization and easier rideability. The engine covers feature a smart surface structure that reduces wear caused by the rider's boots, keeping them looking as fresh as the day you bought it.
  • TRANSMISSION The engine has a strong 5-speed gearbox built to suit any kind of motocross track. The gear ratios were developed specifically to match the power delivery of the 250 cc engine. The gearbox also features a "no-dirt" gear shifter. Similar to the foot peg design, it prevents the build-up of dirt and ensures the next gear is always available, no matter what the conditions.
  • BALANCER SHAFT No more numb hands and feet. This engine design allows for the addition of a lateral balancer shaft, which helps keep engine vibrations to a minimum. This means you can keep charging harder for longer.
  • CLUTCH The KTM 250 SX 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 damping system to be integrated into the clutch hub, contributing to better traction and durability. Additionally, the BREMBO hydraulic system provides easy and precise clutch modulation.
  • CARBURETOR The KTM 250 SX is fitted with a MIKUNI TMX carburetor. The settings on the 38 mm flat slide carburetor perfectly suit the airbox and exhaust design, providing smooth, controllable power all the way through the rev range.
  • IGNITION All 2-stroke models feature a CDI control unit with advanced hardware that improves the starting behavior of the engine. The ignition curves remain unchanged.
  • CRANKSHAFT At the heart of the engine, the crankshaft delivers a 72 mm stroke that produces optimal torque and revs. It is ideally balanced and with the added aid of a counter balancer shaft, minimum vibration is guaranteed. The crankshaft is situated in the perfect position to centralize mass, contributing to better agility and handling.

CHASSIS

  • CHASSIS The chassis forms an integral part of the feeling a rider has with his bike. The chassis on the KTM 250 SX is designed to provide accurate feedback between the track and the rider, while also reducing the harshness of typical motocross terrain. The high-tech steel frame is made from chrome-moly and features optimized flex characteristics that soak up those big hits while also delivering excellent agility and high-speed stability. In 2019, the engine was raised in the frame by 1° around the swing arm pivot, improving the handling and the grip of the front wheel and remains the same for 2020. For 2020, the suspension features improved damping characteristics. The reworked settings offer a slightly softer, more comfortable feel that, together with the dynamic, performance-oriented chassis, ensure that the KTM 250 SX remains one of the most thrilling rides out there.
  • FRAME The frame is professionally crafted from hydroformed chromium molybdenum steel tubes that are robot welded, ensuring the highest levels of consistent quality. The stiffness has been precisely tailored for the most dynamic handling, and works in perfect harmony with the suspension to provide nimble agility without losing high-speed stability. The frame also features "no dirt" footpegs, which have a simple but effective self-cleaning system that ensures the footpegs return to their original position, providing complete control in all conditions. All SX frames feature the same highly durable powder coating as the KTM Factory machines and come with standard frame protectors. The subframe is made from lightweight aluminum, providing rear fender stability and strong support for the rider at little extra weight.
  • SWINGARM The one-piece swingarm is manufactured using a gravity die-cast production process for exceptional strength at the lowest possible weight. It offers a wide range of adjustment for the rear wheel, allowing for a shorter wheelbase on tighter, twisty tracks, or a longer wheelbase for greater stability on longer, more choppy tracks. The swingarm's chain measurement markings are visible from above, making adjustment simpler and more accurate.

ERGONOMICS & COMFORT

  • ERGONOMICS & COMFORT A rider's ability to work in unison with his bike depends on how quickly and effectively he can shift his weight around the motorcycle. KTM focused extensively on creating bodywork and ergonomics that allow for the highest levels of performance. This ensures that the natural riding position offers the best possible control and, through various handlebar positions, can also be adjusted to suit every rider and condition. A rider's main connection to the motorcycle comes through the seat, footpegs and handlebars and these three touch points play a vital role in maintaining balance and control. A rider is always looking for a fast and competitive motorcycle with a great feeling of controlled agility. The 2020 KTM 250 SX, like the entire SX range, ticks all the right boxes, especially when it comes to race-ready ergonomics.
  • SEAT All KTM SX models feature a seat that perfectly matches the range's dynamic performance-oriented ergonomics. The seat cover features silicone strips that provide better feel and grip for the rider. The seat is conveniently fixed to the bike using one long, lateral screw, making it secure and easy to handle.

BODYWORK & GRAPHICS

  • BODYWORK & GRAPHICS The KTM 250 SX has become an icon amongst 2-stroke fanatics, but for this bike, the classic sound it produces is where the nostalgia ends. A combined effort between KTM's factory riders, KTM R&D and Kiska Design has resulted in a highly effective modern-looking motorcycle with bodywork that achieves complete harmony between rider and bike. The main goal of the designers is to provide the perfect contact points for the rider, allowing maximum freedom of movement and improved motorcycle control. Examples of the intelligent design can be seen in the I-beam structure of the front and rear fenders, which guarantee maximum stability and the lowest possible weight.
  • DECALS The modern design and graphics ensure that it is not only about function, but an impressively fast and aggressive look that sends a clear message to the competitors.

SOFTWARE & ELECTRONICS

  • SOFTWARE & ELECTRONICS Absolute performance purity is the name of the game when it comes to the KTM 250 SX. Undiluted 2-stroke simplicity, with an hour meter to keep a check on how long you've been shredding and an optional rev counter to assist with perfect setup.

All inventory listed is subject to availability and prior sale. Manufacturer's Suggested Retail Price (MSRP) if shown for a vehicle excludes set-up, freight, taxes, title, licensing or other dealer charges, and is subject to change. Individual prices may vary. Please request a quote for specific pricing.

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