The KTM 450 SX-F has received a series of modifications for 2013. One of the most significant upgrades it the completely new, engine which is lighter and stronger than the old one. The engine features groundbreaking injection technology and guarantees brutal yet controllable power.
The engine is not the only new feature offered for the 2013 KTM 450 SX-F, as the bike has also received improved suspensions a new body and a better frame.
Talking about the frame, it features a lightweight design and is made of high strength, chrome-molybdenum steel section tubes which guarantee an ideal mix of longitudinal and torsional stiffness. This results in improved handling and steering characteristics.
The improved 48 mm upside-down fork features closed-cartridge technology and has been optimized with revamped settings. On the other hand, the cast aluminum swingarm features a completely redesigned rear section which now allows installation of a thicker rear wheel axle (25 mm instead of 20 mm).
Hit the jump for more information on the 2013 KTM 450 SX‑F. Full story
The KTM 50 SX is a really cute little bike that’s got a lot more attitude than its size will let on. As the smallest bike in the SX line-up, the 50 SX is the ideal enduro ride young people - ages thee to four - can enjoy as they begin their first taste of what enduro racing is all about.
The 50 SX weighs only 88 lbs and was designed to be as fun and as safe as any entry-level bike. After all, it’s important to have a bike that kids can not only have fun in, but also be something that adults can trust with their children.
The KTM 50 SX has everything that impresses riders up to a height of 1.30 m (4.27 ft) while also reassuring the parents that it’s been built with a high-quality chassis with easily applied disc brakes, top-quality components, and a powerful, reliable engine with easy-to-operate centrifugal clutch.
The engine isn’t a monster by any stretch of the imagination, making it an ideal ride for young ones everywhere. And since the clientele for this bike revolves around kids, KTM designed the 50 SX to carry a centrifugally controlled automatic clutch that doesn’t put the onus on junior racers worry about changing gears. All they need is to hit the gas and the bike’s ready to go.
A high-quality, aluminum alloy, Renthal handlebars was also designed specifically for the 50 SX to create the ergonomic conditions for optimum control of the vehicle. In particular, the new, two-component rubber grips on the handlebars provide a secure hold for the hands, with the center strut bearing a crash pad should the worst come to the worst.
It’s easy, as a parent, to worry about your kids anytime they ride a motorcycle, but if there’s one bike that parents know will treat their little ones right, it’s the KTM 50 SX.
Find out more about the KTM 50 SX after the jump. Full story
There comes a point in time when you just need to get an ATV that works on all corners. In these instances, you can’t do any better than the KTM 505 SX.
The Motocross-Quad 505 SX is a thoroughbred racing machine and uncompromisingly designed to be as great as KTM’s line of MX motorcycles. Every single detail of the 505 SX has been meticulously designed, from the elaborate ergonomics to the multi-adjustable chassis and the extraordinary pull of the engine.
The backbone of the 505 SX’s unrivaled low weight of only 165 kg/363 lbs makes for an extremely light ATV. Combine that with an exceptionally robust frame made from high-strength, powder-coated chrome-molybdenum steel with a bolted on light-alloy rear end and double-butted rear axle made from high-strength steel, and you have a machine that’s built to be as tough an durable as any ATV on the market today.
More than just its sturdy design, the 505 SX is also the picture of exceptional performance, thanks in large part to its 477cc iquid-cooled, DOHC, four-stroke, single-cylinder engine that brings its sensational power to bear on the rear wheels via a hydraulic clutch and close-ratio five-speed transmission. In conjunction with low vehicle weight and the low center of gravity, the powerful DOHC racing engine ensures exceptional performance on every track.
The ATV’s suspension set-up also demonstrates just how impressive of a ride the 505 SX really is. Whether it be the WP suspension components, the Magura hydraulics, Nerf bars, tether switch, DWT Beadlock light-alloy wheels on the rear axle, or Maxxis cross tires all round, the 505 SX is equipped with a plethora of features that makes ATV racing as safe and as fun as it really is.
Find out more about the KTM 505 SX after the jump. Full story
The KTM 50 SX Mini is practically a toy bike, built exclusively for young children looking to break into dirt bike racing. How young, exactly? Try three to four-year old children.
Remarkably light at just 88 lbs, the 50 MX Mini retains a high standard of safety, controllability, and plain overall fun. The ride height - 4.27 ft - is also short relative to the kids riding it and to give parents ease-of-mind, KTM built a high-quality chassis with easily applied disc brakes, top-quality components, and a reliable engine with an easy-to-operate centrifugal clutch.
The KTM 50 SX Mini is the perfect bike for beginner riders. It includes premium features like adjustable seat height, disc brakes at the front, and a long travel rear suspension, as well as the best power output available in the class.
Speaking of its power, the KTM 50 SX Mini boasts of a 50cc 1-cylinder, 2-stroke water-cooled engine that is mated to a centrifugally controlled automatic clutch, making it easier for junior racers to ride their bikes without worrying about the clutch or changing gear. Simply hitting the gas is enough. Similarly, the clutch can be adjusted in the workshop to the riding ability of the budding racer.
Starting slow is always the best option and once little riders get the hang of it, then you can let the bike loose.
Find out more about the KTM 50 SX Mini after the jump. Full story
Just a shade above the 50 SX in KTM’s pecking order for upstart dirt bikes is the 65 SX. Whereas the former caters to the little tikes, the latter is just the right sports machine for all up-and-coming riders from 8 to 12 years of age and up to a height of about 1.60 m (5.25 ft).
The design of the bike is relatively simple and easy-to-use, something that kids will have a good time with while not worrying about all the complicated trinkets that adult bikes come with. On top of that, the 65 SX boasts of an impressive 65cc two-stroke engine that excels, thanks to its PCEV (Pressure Controlled Exhaust Valve) exhaust control system, with a great deal of torque from the bottom end up and very linear power development, making it correspondingly easy to ride.
The 65 SX’s engine is mated to a six-speed transmission, and when combined with a generous suspension travel and high-quality components, the mini-crosser provides everything necessary for having plenty of fun and laying the foundations for a promising MX career.
In terms of its handling characteristics, the 65 SX features a newly developed, fully adjustable WP telescopic fork that is generously dimensioned with 35 mm outer tubes. The anodized handlebars from Renthal are manufactured from a high-quality aluminum alloy. Likewise, four-piston brake calipers and wave discs have been fitted at the front and rear of the bike while aluminum spoked wheels and the nickel-coated exhaust system round off the image of a mini-crosser that kids will undoubtedly enjoy.
Find out more about the KTM 65 SX after the jump. Full story
When you’ve graduated from the introductory dirt bikes in KTM’s line-up, the next step is riding a junior bike that has championship tradition. Kind of like the KTM 125 SX.
Those wanting to race in the Junior World Championship need look no further than this beauty to stay competitive. The free-revving and lively two-stroke engine has gained even more performance for the current season. If you thought that the 125 SX’s 125cc 1-cylinder 2-stroke engine was impressive, its newly developed exhaust expansion chamber has not only improved in quality, but it now comes with an optimized soundbox that ensures an extra shot of engine power that’s explosive and dependable, all at the same time.
The 125 SX also comes with a completely revamped frame made from high-quality chrome-molybdenum steel that’s extremely light and torsion-resistant. The bike is also characterized by a particularly balanced geometry that combines playful handling with razor-sharp precision. The two-strokes in the MX range from KTM are also now equipped with an elaborate linkage rear suspension system.
Linking the shock absorber via a lever system provides high progressiveness and wide adjustment ranges. Apart from the new linkage rear suspension, there is the new cast aluminum swingarm, which is designed for minimum weight while supplying optimum lateral stiffness and defined longitudinal flexibility. This makes a major contribution to the 125 SX’s excellent tracking stability, playful handling, and extreme traction, making for a bike that’s got plenty of substance to back up its long-standing tradition as a motocross bike that has a history of championship-winning performances.
Find out more about the KTM 125 SX after the jump. Full story
Young riders interested in the world of dirt biking need to have a start-up bike that they can use to learn the ropes. Fortunately, KTM has an answer in the 85 SX 17-14.
The 85 SX 17-14 is the kind of start-up dirt bike that can train future champions as they fight for a place on the podium. You only need to look at one Henry Jacobi and his championship winning performance in the 2010 season as evidence of the bike’s overall capabilities. The 85 SX masters the toughest MX tracks with unperturbed ease. The grown-up KTM mini-crosser combines fully-fledged MX technology with perfect controllability, providing for a versatile bike that can challenge the competition with relative ease.
It’s a unique motorcycle built to last. Its 85cc engine comes packed with a six-speed transmission that always seem to have the right gear ratio available. Likewise, the frame, brakes, and suspension have all been integrated with the machine and makes that performance incredible and powerful.
The 85 SX’s lightweight and sturdy chassis is made up of a chrome-molybdenum steel frame with a bolted-on aluminum subframe. A 43 mm (1.69 in) fully-adjustable, upside-down fork from WP has been optimized and the WP PDS shock absorber has adjustable rebound and compression damping, making the bike capable of mastering even the toughest of MX courses without demanding too much of the rider.
For a bike that has proven to be championship-caliber, the KTM 85 SX 17-14 is the right choice for riders looking to break into the mini-motocross scene.
Find out more about the KTM 85 SX 17-14 after the jump. Full story
Anybody that has ever ridden a motocross bike understands the thrill of it all. Those that have taken it a step further and competed in motocross understand that there’s nothing like it.
That’s why, if you’re part of the latter and you want to race in the Junior World Championship, you need not look further than the KTM 125 SX. Designed with slim bodywork emphasized by a slim seat and spoiler lines, the 125 SX is the kind of bike that young riders can go to battle with.
What’s better, the free-revving and lively 125cc two-stroke engine has gained even more performance for the current season, something that seems highly improbable given the impressive credentials of its predecessor.
But the thing that makes the 150 SX such a special motocross bike is that KTM has built a completely new frame and a new, progressive linkage rear suspension. Apart from the new linkage rear suspension, there is the new cast aluminum swingarm, which has been designed for minimum weight and supplies optimum lateral stiffness and defined longitudinal flexibility. This is a major contribution to the 150 SX’s excellent tracking stability, playful handling, and extreme traction.
The further improved upside-down telescopic fork incorporating closed-cartridge technology now ensures even greater punch with a somewhat tauter setting. At the same time, the WP fork with 48 mm (1.89 in) outer tube diameter bolsters the playful handling of the 150 SX to levels that are championship worthy.
If somebody asked you what junior motocross bike you’d like to have on your side in the strongest of competitions, you won’t find anything better than the 150 SX.
Find out more about the KTM 150 SX after the jump. Full story
Looking at the models that are included in the line-up of motocross bikes from KTM, you’d be remiss to wonder whether these guys are building one too many iterations.
That, of course, is the wrong way to look at things because if you’re a glass-half-full kind of guy, you know that more means, well, more choices. And that’s exactly what KTM has to offer.
One of the purest two-stroke bikes in the company’s line-up is the 250 SX. It offers a completely revamped frame made from high-quality chrome-molybdenum steel that’s both light and tough all at the same time. It is also characterized by a particularly balanced geometry that combines playful handling with razor-sharp precision. Just like the entire range of KTM bikes, the 250 SX is also now equipped with an elaborate linkage rear suspension system that raises the bar even higher for 250cc machines.
Apart from the new linkage rear suspension, the 250 SX also comes with a new cast aluminum swingarm, designed for minimum weight distribution while supplying optimum lateral stiffness and defined longitudinal flexibility. The results of all this is a bike that provides excellent tracking stability, playful handling, and extreme traction.
Moreover, the technology of a two-stroke engine that has been fitted into the 250 SX comes with indisputable advantages, including a high power/displacement and low weight that’s unrivaled in its class. The 250 SX’s flow-optimized intake flange between the airbox and carburetor now ensures even better charging with fresh gas, making for a bike that performs and handles like the best of them.
Find out more about the KTM 250 SX after the jump. Full story
We dare anyone to find us a bike that has a better resume than the KTM 250 SX-F. Really, when you look at three consecutive MX2 world championship titles, it’s very difficult to top that, especially when the aforementioned 250 SX-F has been improved compared to its predecessor.
The new 250 SX-F is now available with a revamped chassis and an electric starter that proves its worth in many situations, turning the bike with the smallest four-stroke in the KTM MX range into a certified, world-class, championship-caliber moto cross bike.
The 250 SX-F’s compact, state-of-the-art DOHC four-stroke engine has been derived directly from the Marvin Musquin’s world championship bike, which means that it’s bigger and better than ever before. The 2012 model year of the 250 SX-F also comes with a new electric starter that excels with an extremely wide usable rev range and powerful performance from the bottom end up to beyond the nominal engine speed.
The 250 SX-F also has a new technology in the form of a Keihin engine management system with electronic fuel injection and electronic throttle valve control, ensuring spontaneous responsiveness and maximum performance from the engine.
As far as handling is concerned, the 250 SX-F’s state-of-the-art frame is made from high-quality chrome-molybdenum steel, a material that’s both lightweight and extremely durable, providing balanced geometry that combines playful handling with razor-sharp precision. The 250 SX-F’s linkage rear suspension bolsters playful handling and extreme traction while a lightweight aluminum swing arm has been designed for optimum lateral stiffness while the linkage of the now more tautly-set WP shock absorber via a lever system provides high progressiveness and wide adjustment ranges.
There’s plenty to love about the KTM 250 SX-F. The fact that it has a history of championship success only makes this bike that much more attractive to young and up-and-coming riders.
Find out more about the KTM 250 SX-F after the jump. Full story