New Ktm Mx Motorcycles for Sale in st louis, Missouri

<p>ULTIMATE E-BEGINNER</p><p style="margin-bottom: 1em;">Perfect for grass-roots level riders and just as green, the 2024 KTM SX-E 3 breaks ground at the leading edge of all-electric mini-cross. Aimed at absolute beginners, the KTM SX-E 3 slides into the range below the more powerful KTM SX-E 5 with an ever more user-friendly package. Lower power output, battery capacity, and smaller wheels make it the ideal choice for the youngest of riders finding their feet - and throttle.</p><p></p>

<p>FAST HAS NO AGE LIMIT</p><p style="margin-bottom: 1em;">The 2023 KTM 65 SX benefits from the same development strategy as its bigger 2-Stroke brethren. Featuring everything the bigger motocross machines do, from a proper clutch and gearbox to the latest WP XACT. In fact, you'd be remiss to think this was anything less than a proper little READY TO RACE weapon.</p><p></p>

<p>WINNING STARTS HERE</p>When the next step up is into the 50cc class, there is no better option than the most powerful 50cc out there. For 2025, the KTM 50 SX is built around an advanced steel frame, housing a powerful engine, a 35mm WP XACT AER fork, a WP XACT monoshock, and an advanced hydraulic Formula brake system. Simply put - it's the most advanced and READY TO RACE 50 cc mini-crosser available to your little racer.<p></p>

<p>THE FIGHTER IN THE ORANGE CORNER</p>The 2025 KTM 250 SX-F is a truly user-friendly package engineered to satisfy all riders, from novice to pro. But don't for one second think that makes it compromised - it is undisputedly READY TO RACE at any level. Delivering a power punch, and an optional electronic uppercut in reserve, the 2025 KTM 250 SX-F is ready to take on the 250 cc class and deliver a knock-out.<p></p>

<p>BACK ON THE ATTACK</p>It's back! After a 2-year absence, the 2025 KTM 150 SX is once again ready to tear into your favorite MX track. Get ready to experience what it feels like to be a marble launched from a slingshot. The KTM 150 SX pulls hard from the bottom, gallops in the middle, and sings at the top. Which is where it belongs.<p></p>

<p>RELEASE THE RUCKUS</p>Think "unbridled 2-stroke performance" and you'll probably see a KTM 250 SX in your mind's eye. For good reason too - there isn't much to compare it to. The 2025 KTM 250 SX takes that even further with a slew of fresh chassis enhancements, making it even more of a legend and one deserving of the record books.<p></p>

<p>FULL-SCREAM AHEAD</p>There are very few sounds that can't be beaten. The crack of a soda can on a blistering hot day. The ping of the perfectly executed golf shot. And the scream of a 125 cc 2-stroke charging down a long straightaway. The 2025 KTM 125 SX takes its leads directly from the Factory Racing team and puts them to work like nothing else. Like the sound it makes, it cannot be beaten.<p></p>

<p>MIDDLE-GROUND MASTERCLASS</p>With over a decade of racing - and winning - at the highest tier of professional motocross, the KTM 350 SX-F has long shed its underdog label and proven itself a worthy adversary. Delivering usable power throughout the rev range, unwavering stability at speed, and true championship-winning credentials, the 2024 KTM 350 SX-F is once again READY TO RACE.<p></p>

<p>THE TOP OF THE FOODCHAIN</p>We aren't ones to brag, but with a trophy cabinet ready to rip at the seams, the KTM 450 SX-F is the epitome of a podium hunter. With 5 AMA 450 supercross titles in the last 7 seasons, the 2024 KTM 450 SX-F rolls into the pit already armed with the learnings of past championships. It's time to extend the trophy room.<p></p>

<p>THE OPEN CLASS IS IN SESSION</p>Maximum power at the least possible weight, amplified by low maintenance costs and smooth, linear power delivery - the 2024 KTM 300 SX is set to take the MX Open category back to school. Churning out massive power, the KTM 300 SX sets the benchmark when it comes to power to weight ratios. Could the 2024 KTM 300 SX be the new Open Class president?<p></p>

<p>SMOKE THE COMPETITION</p>All it takes is one hard, fast rip into a loamy berm to know that the 2024 KTM 125 SX is a serious contender in the 125 cc race. Not only has the 'Ring-ting-ting' been given a fuel-injected revival, but the entire motorcycle also benefits from class-leading developments at every end. Boasting accolades such as being the leader in 2-stroke motocross innovation in the modern era, the 2024 KTM 125 SX simply slays the rest of the 125 cc class. All you need do is prod the starter, blip the throttle and let rip.<p></p>

<p>MIDDLE-GROUND MASTERCLASS</p>With over a decade of racing - and winning - at the highest tier of professional motocross, the KTM 350 SX-F has long shed its underdog label and proven itself a worthy adversary. Delivering usable power throughout the rev range, unwavering stability at speed, and true championship-winning credentials, the 2024 KTM 350 SX-F is once again READY TO RACE.<p></p>

<p>THE TOP OF THE FOODCHAIN</p>We aren't ones to brag, but with a trophy cabinet ready to rip at the seams, the KTM 450 SX-F is the epitome of a podium hunter. With 5 AMA 450 supercross titles in the last 7 seasons, the 2024 KTM 450 SX-F rolls into the pit already armed with the learnings of past championships. It's time to extend the trophy room.<p></p>

<p>THE MOST RADICAL 250-CLASS RACE WEAPON</p>The 2024 KTM 250 SX-F continues its assault on the highly-competitive 250 cc class. Featuring a truly user-friendly package engineered to satisfy all riders, from novice to pro, it continues the trend of being undisputedly READY TO RACE at any level. Delivering a knock-out power-punch of over 47 hp, more stability in a straight line, and with more electronic upper cuts in the bag, the 2024 KTM 250 SX-F is ready to take on the 250 cc class and dominate it.<p></p>

<p>RELEASE THE RUCKUS</p>For decades, the 250 cc 2-stroke class has been at the forefront of pure unadulterated performance. It is epitomized by sweet-smelling 2-stroke smoke, top-end powerbands and 'Braaaap!'. The 2024 KTM 250 SX takes that to an all-new, gnarlier level. Thanks to a swathe of cutting-edge advancements across the board, this 2-stroke legend has stepped up, and even further out of reach of the competition.<p></p>

<p>THE GATE DROPS HERE</p>If you're reading this, then it is safe to say things have become serious. The 2024 KTM 85 SX - in big wheel guise - is the first real step into the big leagues. Lightweight, powerful and reliable, the KTM 85 SX boasts real big bike components in scaled-down 85 cc geometry, providing the ultimate kickstart to any young racing career.<p></p>

<p>THE GATE DROPS HERE</p>If you're reading this, then it is safe to say things have become serious. The 2024 KTM 85 SX is the first real step into the big leagues. Lightweight, powerful and reliable, the KTM 85 SX boasts real big bike components in scaled-down 85 cc geometry, providing the ultimate kickstart to any young racing career.<p></p>

<p>THE GATE DROPS HERE</p>If you're reading this, then it is safe to say things have become serious. The 2024 KTM 85 SX - in big wheel guise - is the first real step into the big leagues. Lightweight, powerful and reliable, the KTM 85 SX boasts real big bike components in scaled-down 85 cc geometry, providing the ultimate kickstart to any young racing career.<p></p>

<p>BRIDGE CIRCUIT</p>Charged up and ready to hit the track, the all-new 2024 KTM SX-E 2 powers into the KTM electric-powered mini line-up with one clear objective - bridging the gap. Designed to slot in between the KTM SX-E 1.20 stability cycle and the KTM SX-E 3 electric racer, it provides the ideal platform for the youngest riders to take the next step up.<p></p>

<p>BRIDGE CIRCUIT</p>Charged up and ready to hit the track, the all-new 2024 KTM SX-E 2 powers into the KTM electric-powered mini line-up with one clear objective - bridging the gap. Designed to slot in between the KTM SX-E 1.20 stability cycle and the KTM SX-E 3 electric racer, it provides the ideal platform for the youngest riders to take the next step up.<p></p>

<p>ULTIMATE E-BEGINNER</p>Perfect for grass-roots level riders and just as green, the 2024 KTM SX-E 3 breaks ground at the leading edge of all-electric mini-cross. Aimed at absolute beginners, the KTM SX-E 3 slides into the range below the more powerful KTM SX-E 5 with an ever more user-friendly package. Lower power output, battery capacity, and smaller wheels make it the ideal choice for the youngest of riders finding their feet - and throttle.<p></p>

<p>LEADING THE CHARGE</p>The KTM SX-E 5 is an all-electric mini-crosser aimed at both beginner and competitive junior riders. With zero emissions and minimal sound pollution, it takes its place at the leading edge of competitive mini-cross, and provides a real-world READY TO RACE alternative to the petrol-powered 50 cc engine. Featuring high-quality components that make it significantly different from the many electric mini-cycles available on the market, the KTM SX-E 5 is a fully-fledged competition motorcycle, making it more accessible to younger riders for use in areas where noise emissions are restricted.<p></p>

<p>THE MOST RADICAL 250-CLASS RACE WEAPON</p>The 2023 KTM 250 SX-F continues its assault on the highly-competitive 250 cc class. Featuring a truly user-friendly package engineered to satisfy all riders, from novice to pro, it continues the trend of being undisputedly READY TO RACE at any level. Delivering a knock-out power-punch, more stability in a straight line, and with more electronic upper cuts in the bag, the 2023 KTM 250 SX-F is ready to take on the 250 cc class and dominate it.<p></p>

<p>SMOKE THE COMPETITION</p>All it takes is one hard, fast rip into a loamy berm to know that the 2023 KTM 125 SX is a serious contender in the 125 cc race. Not only has the 'Ring-ting-ting' been given a fuel-injected revival, but the entire motorcycle also benefits from class-leading developments at every end. Boasting accolades such as being the leader in 2-stroke motocross innovation in the modern era, the 2023 KTM 125 SX simply slays the rest of the 125 cc class. All you need do is press the starter, blip the throttle and let rip.<p></p>

<p>THE PERFECT START</p>Built for mini champs that want to do things right, and do them in style. Junior riders and racers that climb on the KTM 50 SX FACTORY EDITION can do so in the knowledge that they are experiencing class-leading performance with state-of-the-art WP Suspension, high-end brakes and minimal weight.<p></p>

<p>PODIUMS START HERE</p>The 2023 KTM 50 SX is a true READY TO RACE motocross machine. It is a genuine dirt bike that, like its bigger siblings, is produced with top-quality components, real race-bred input, and thoughtful development. It goes without saying that the KTM 50 SX is the only choice when stepping into the world of MX.<p></p>

2025 KTM 450 SXF, <b>Engine Type:</b> Single-Cylinder</br> <b>Displacement:</b> 27.4 cu. in. (449.9 cc)</br> <b>Bore and Stroke:</b> Bore: 3.74 in. (95 mm); Stroke: 2.5 in. (63.4 mm)</br> <b>Cooling:</b> Liquid</br> <b>Compression Ratio:</b> 12.8:1</br> <b>Fuel System:</b> Gas</br> <b>Front Suspension:</b> Inverted Fork</br> <b>Front Brakes:</b> Hydraulic Disc</br> <b>Front Tire:</b> Dunlop® GEOMAX MX34 80/100 R21 51M</br> <b>Rear Suspension:</b> Twin Sided Swing Arm</br> <b>Rear Brakes:</b> Hydraulic Disc</br> <b>Rear Tire:</b> Dunlop® GEOMAX MX34 110/90 R19 62M</br> <b>Dry Weight:</b> 226.2 lb. (102.6 kg.)</br> <b>Fuel Capacity:</b> 1.9 gal. (7.2 L)</br> <b>Wheelbase:</b> 58.5 in. (1485 mm)</br> <b>Ground Clearance:</b> 13.5 in. (343 mm)</br> <b>Seat Height:</b> 37.7 in. (958 mm)</br> <b>Rake:</b> 26.5</br> <b>Transmission:</b> Manual</br> <b>Final Drive:</b> 3.69</br>

2025 KTM 65 SX, <b>Engine Type:</b> Single-Cylinder</br> <b>Displacement:</b> 4 cu. in. (64.9 cc)</br> <b>Bore and Stroke:</b> Bore: 1.77 in. (45 mm); Stroke: 1.61 in. (40.8 mm)</br> <b>Cooling:</b> Liquid</br> <b>Fuel System:</b> Gas / Oil Premix</br> <b>Front Suspension:</b> Inverted Fork</br> <b>Front Brakes:</b> Hydraulic Disc</br> <b>Front Tire:</b> Maxxis® MX-ST 60/100 R14 30M</br> <b>Rear Suspension:</b> Twin Sided Swing Arm</br> <b>Rear Brakes:</b> Hydraulic Disc</br> <b>Rear Tire:</b> Maxxis® MX-ST 80/100 R12 41M</br> <b>Dry Weight:</b> 117.9 lb. (53.5 kg.)</br> <b>Fuel Capacity:</b> 1.2 gal. (4.5 L)</br> <b>Ground Clearance:</b> 10.2 in. (259 mm)</br> <b>Seat Height:</b> 28.7 in. (730 mm)</br> <b>Transmission:</b> Manual</br> <b>Final Drive:</b> 3.43</br>

2025 KTM 65 SX, <b>Engine Type:</b> Single-Cylinder</br> <b>Displacement:</b> 4 cu. in. (64.9 cc)</br> <b>Bore and Stroke:</b> Bore: 1.77 in. (45 mm); Stroke: 1.61 in. (40.8 mm)</br> <b>Cooling:</b> Liquid</br> <b>Fuel System:</b> Gas / Oil Premix</br> <b>Front Suspension:</b> Inverted Fork</br> <b>Front Brakes:</b> Hydraulic Disc</br> <b>Front Tire:</b> Maxxis® MX-ST 60/100 R14 30M</br> <b>Rear Suspension:</b> Twin Sided Swing Arm</br> <b>Rear Brakes:</b> Hydraulic Disc</br> <b>Rear Tire:</b> Maxxis® MX-ST 80/100 R12 41M</br> <b>Dry Weight:</b> 117.9 lb. (53.5 kg.)</br> <b>Fuel Capacity:</b> 1.2 gal. (4.5 L)</br> <b>Ground Clearance:</b> 10.2 in. (259 mm)</br> <b>Seat Height:</b> 28.7 in. (730 mm)</br> <b>Transmission:</b> Manual</br> <b>Final Drive:</b> 3.43</br>

2025 KTM SX 250 F, <b>Engine Type:</b> Single-Cylinder</br> <b>Displacement:</b> 15.2 cu. in. (249.9 cc)</br> <b>Bore and Stroke:</b> Bore: 3.19 in. (81 mm); Stroke: 1.91 in. (48.5 mm)</br> <b>Cooling:</b> Liquid</br> <b>Compression Ratio:</b> 14.4:1</br> <b>Fuel System:</b> Gas</br> <b>Front Suspension:</b> Inverted Fork</br> <b>Front Brakes:</b> Hydraulic Disc</br> <b>Front Tire:</b> Dunlop® GEOMAX MX34 80/100 R21 51M</br> <b>Rear Suspension:</b> Twin Sided Swing Arm</br> <b>Rear Brakes:</b> Hydraulic Disc</br> <b>Rear Tire:</b> Dunlop® GEOMAX MX34 110/90 R19 62M</br> <b>Dry Weight:</b> 222.7 lb. (101 kg.)</br> <b>Fuel Capacity:</b> 1.9 gal. (7.2 L)</br> <b>Wheelbase:</b> 58.5 in. (1485 mm)</br> <b>Ground Clearance:</b> 13.5 in. (343 mm)</br> <b>Seat Height:</b> 37.7 in. (958 mm)</br> <b>Transmission:</b> Manual</br> <b>Final Drive:</b> 3.64</br>

2025 KTM 250 SX, <b>Engine Type:</b> Single-Cylinder</br> <b>Displacement:</b> 15.2 cu. in. (249 cc)</br> <b>Bore and Stroke:</b> Bore: 2.61 in. (66.4 mm); Stroke: 2.83 in. (72 mm)</br> <b>Cooling:</b> Liquid</br> <b>Fuel System:</b> Gas / Oil Premix</br> <b>Front Suspension:</b> Inverted Fork</br> <b>Front Brakes:</b> Hydraulic Disc</br> <b>Front Tire:</b> Dunlop® GEOMAX MX34 80/100 R21 51M</br> <b>Rear Suspension:</b> Twin Sided Swing Arm</br> <b>Rear Brakes:</b> Hydraulic Disc</br> <b>Rear Tire:</b> Dunlop® GEOMAX MX34 110/90 R19 62M</br> <b>Dry Weight:</b> 219.1 lb. (99.4 kg.)</br> <b>Fuel Capacity:</b> 1.9 gal. (7.2 L)</br> <b>Wheelbase:</b> 58.5 in. (1485 mm)</br> <b>Ground Clearance:</b> 13.9 in. (354 mm)</br> <b>Seat Height:</b> 37.7 in. (958 mm)</br> <b>Rake:</b> 26.5</br> <b>Transmission:</b> Manual</br> <b>Final Drive:</b> 3.57</br>

2025 KTM SX 65, <b>Engine Type:</b> Single-Cylinder</br> <b>Displacement:</b> 4 cu. in. (64.9 cc)</br> <b>Bore and Stroke:</b> Bore: 1.77 in. (45 mm); Stroke: 1.61 in. (40.8 mm)</br> <b>Cooling:</b> Liquid</br> <b>Fuel System:</b> Gas / Oil Premix</br> <b>Front Suspension:</b> Inverted Fork</br> <b>Front Brakes:</b> Hydraulic Disc</br> <b>Front Tire:</b> Maxxis® MX-ST 60/100 R14 30M</br> <b>Rear Suspension:</b> Twin Sided Swing Arm</br> <b>Rear Brakes:</b> Hydraulic Disc</br> <b>Rear Tire:</b> Maxxis® MX-ST 80/100 R12 41M</br> <b>Dry Weight:</b> 117.9 lb. (53.5 kg.)</br> <b>Fuel Capacity:</b> 1.2 gal. (4.5 L)</br> <b>Ground Clearance:</b> 10.2 in. (259 mm)</br> <b>Seat Height:</b> 28.7 in. (730 mm)</br> <b>Transmission:</b> Manual</br> <b>Final Drive:</b> 3.43</br>

2025 KTM SX 65, <b>Engine Type:</b> Single-Cylinder</br> <b>Displacement:</b> 4 cu. in. (64.9 cc)</br> <b>Bore and Stroke:</b> Bore: 1.77 in. (45 mm); Stroke: 1.61 in. (40.8 mm)</br> <b>Cooling:</b> Liquid</br> <b>Fuel System:</b> Gas / Oil Premix</br> <b>Front Suspension:</b> Inverted Fork</br> <b>Front Brakes:</b> Hydraulic Disc</br> <b>Front Tire:</b> Maxxis® MX-ST 60/100 R14 30M</br> <b>Rear Suspension:</b> Twin Sided Swing Arm</br> <b>Rear Brakes:</b> Hydraulic Disc</br> <b>Rear Tire:</b> Maxxis® MX-ST 80/100 R12 41M</br> <b>Dry Weight:</b> 117.9 lb. (53.5 kg.)</br> <b>Fuel Capacity:</b> 1.2 gal. (4.5 L)</br> <b>Ground Clearance:</b> 10.2 in. (259 mm)</br> <b>Seat Height:</b> 28.7 in. (730 mm)</br> <b>Transmission:</b> Manual</br> <b>Final Drive:</b> 3.43</br>

2025 KTM SX 65, <b>Engine Type:</b> Single-Cylinder</br> <b>Displacement:</b> 4 cu. in. (64.9 cc)</br> <b>Bore and Stroke:</b> Bore: 1.77 in. (45 mm); Stroke: 1.61 in. (40.8 mm)</br> <b>Cooling:</b> Liquid</br> <b>Fuel System:</b> Gas / Oil Premix</br> <b>Front Suspension:</b> Inverted Fork</br> <b>Front Brakes:</b> Hydraulic Disc</br> <b>Front Tire:</b> Maxxis® MX-ST 60/100 R14 30M</br> <b>Rear Suspension:</b> Twin Sided Swing Arm</br> <b>Rear Brakes:</b> Hydraulic Disc</br> <b>Rear Tire:</b> Maxxis® MX-ST 80/100 R12 41M</br> <b>Dry Weight:</b> 117.9 lb. (53.5 kg.)</br> <b>Fuel Capacity:</b> 1.2 gal. (4.5 L)</br> <b>Ground Clearance:</b> 10.2 in. (259 mm)</br> <b>Seat Height:</b> 28.7 in. (730 mm)</br> <b>Transmission:</b> Manual</br> <b>Final Drive:</b> 3.43</br>

2025 KTM 50 SX, <b>Engine Type:</b> Single-Cylinder</br> <b>Displacement:</b> 3 cu. in. (49.9 cc)</br> <b>Bore and Stroke:</b> Bore: 1.56 in. (39.5 mm); Stroke: 1.6 in. (40.7 mm)</br> <b>Cooling:</b> Liquid</br> <b>Fuel System:</b> Gas / Oil Premix</br> <b>Front Suspension:</b> Inverted Fork</br> <b>Front Brakes:</b> Hydraulic Disc</br> <b>Front Tire:</b> Maxxis® MX-ST 2.50 X 12 42J</br> <b>Rear Suspension:</b> Twin Sided Swing Arm</br> <b>Rear Brakes:</b> Hydraulic Disc</br> <b>Rear Tire:</b> Maxxis® MX-ST 2.75 X 10 38J</br> <b>Dry Weight:</b> 93.7 lb. (42.5 kg.)</br> <b>Fuel Capacity:</b> 0.6 gal. (2.3 L)</br> <b>Ground Clearance:</b> 9.2 in. (233 mm)</br> <b>Seat Height:</b> 25.7 in. (653 mm)</br> <b>Transmission:</b> Automatic</br> <b>Final Drive:</b> 3.64</br>

2024 KTM SX-E 3, <b>Engine Type:</b> 48 V - BLDC motor with outer rotor</br> <b>Cooling:</b> Air cooled</br> <b>Front Suspension:</b> XACT 35 WP Upside-Down fork, Ø 35 mm</br> <b>Front Brakes:</b> Disc brake</br> <b>Rear Suspension:</b> WP monoshock</br> <b>Rear Brakes:</b> Disc brake</br> <b>Ground Clearance:</b> 152 mm</br> <b>Seat Height:</b> 555/600 mm</br> <b>Final Drive:</b> Chain: 1/2 x 3/16 in.</br>

2024 KTM SX-E 3, <b>Engine Type:</b> 48 V - BLDC motor with outer rotor</br> <b>Cooling:</b> Air cooled</br> <b>Front Suspension:</b> XACT 35 WP Upside-Down fork, Ø 35 mm</br> <b>Front Brakes:</b> Disc brake</br> <b>Rear Suspension:</b> WP monoshock</br> <b>Rear Brakes:</b> Disc brake</br> <b>Ground Clearance:</b> 152 mm</br> <b>Seat Height:</b> 555/600 mm</br> <b>Final Drive:</b> Chain: 1/2 x 3/16 in.</br>

2024 KTM SX E 3, <b>Engine Type:</b> 48 V - BLDC motor with outer rotor</br> <b>Cooling:</b> Air cooled</br> <b>Front Suspension:</b> XACT 35 WP Upside-Down fork, Ø 35 mm</br> <b>Front Brakes:</b> Disc brake</br> <b>Rear Suspension:</b> WP monoshock</br> <b>Rear Brakes:</b> Disc brake</br> <b>Ground Clearance:</b> 152 mm</br> <b>Seat Height:</b> 555/600 mm</br> <b>Final Drive:</b> Chain: 1/2 x 3/16 in.</br>