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Mx Motorcycles for Sale

Looking to buy a 2021 mx? Browse our extensive inventory of new and used 2021 mx from local dealers and private sellers. Compare prices, models, trims, options and specifications between different mxes on Cycle Trader.
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138 Motorcycles For Sale

2021 KTM 350 SX-F SX-F in Grain Valley, MO
$7,999

Used 2021 KTM Mx

350 SX-F SX-F
Stock # 297551
2021 KTM 350 SX-F, Introducing the 2021 KTM 350 SX-F: Unleash Your Racing Spirit! Are you ready to dominate the track and experience the adrenaline-pumping thrill of motocross racing? Look no further than the awe-inspiring 2021 KTM 350 SX-F! Powerhouse Performance: The 350 SX-F boasts a powerful, lightweight 350cc engine, delivering unbelievable torque and an exhilarating burst of speed straight off the starting line. Feel the rush of acceleration as you leave your competition in the dust! Precision Handling: With the 350 SX-F's cutting-edge chassis, responsive suspension, and perfectly balanced weight distribution, you'll effortlessly maneuver through tight corners, conquer jumps with ease, and enjoy unrivaled stability on the track. Experience the thrill of nimble control like never before! Championship-Winning Technology: Built with race-proven technology, the 350 SX-F features advanced electronics, including traction control, launch control, and engine management systems. Fine-tune your ride to perfection and push the limits of your performance, achieving unparalleled success on the race track! Built for Durability: KTM's commitment to quality ensures the 350 SX-F is engineered to withstand rigorous racing conditions. Its robust construction, premium components, and reliable mechanics ensure minimal maintenance and maximum durability, allowing you to focus on what you do best: winning! Aerodynamic Design: Stand out from the pack with the 350 SX-F's aggressive styling, aerodynamic bodywork, and eye-catching KTM graphics. Command attention both on and off the track as you showcase your racing spirit to the world! Championship-Worthy Safety: Your safety is paramount, which is why the 350 SX-F is equipped with top-of-the-line safety features. With Brembo brakes, exceptional suspension control, and a reinforced frame, you can ride with confidence, knowing you're protected at every turn. Push the boundaries of speed without compromising on safety! Unbeatable Offers: Take advantage of our exclusive package deals, including essential accessories like performance upgrades, race-inspired gear, and stylish KTM merchandise. Elevate your racing experience and showcase your dedication to the sport with our incredible offers! Unleash the champion within; get behind the handlebars of the 2021 KTM 350 SX-F and leave your mark on the race track! Embrace the thrill of victory with the 2021 KTM 350 SX-F the ultimate motocross racing machine! NO ADDITIONAL FEES ON PRE-OWNED INVENTORY.
Dell's Powersports
Grain Valley, MO
2021 Honda CRF450RWE 450RWE in Woodinville, WA
$7,990

Used 2021 Honda Mx

CRF450RWE 450RWE
<p>LIGHTER. FASTER. AND RAZOR SHARP.</p><p style="margin-bottom: 1em;">How many corners are there on your favorite motocross or Supercross track? Because each one of those leads directly from the starting gate to the winner’s circle—at least when you’re riding a redesigned 2021 Honda CRF450RWE. New chassis. Major engine overhaul. New suspension. New bodywork. All with the goal of letting you rail through the corners with the most precision and power you’ve ever experienced. The engine’s power delivery starts off deep down for corner drive, and just keeps building until it’s at maximum roost. Forget about clutch fade, adjustment, or hand fatigue with the new hydraulic system. And lighter than ever, the CRF450RWE explode out of corners when it’s time to increase your lead.</p><p style="margin-bottom: 1em;">And make no mistake: the CRF450RWE (WE for Works Edition) is more than just a standard bike with some special graphics. We’ve fine-tuned it with special touches like an exclusive Yoshimura exhaust, Twin Air filter, Throttle Jockey seat cover, Hinson clutch basket and cover, premium DID DirtStar LT-X rims, a red cylinder head cover, and hands-on touches like special cylinder-head porting. The second the start gate drops, you’ll know it was worth every penny.</p><p></p>
Ride Motorsports
Woodinville, WA
2021 Kawasaki KX 450 450 in Auburn, CA
$14,799

Used 2021 Kawasaki Mx

KX 450 450
Stock # C020952
<p>TIMBERSLED KIT- RIOT LE 120 HAS BEEN ADDED!! -PICS COMING SOON-</p><p style="margin-bottom: 1em;">With more Supercross and Motocross championships than any other manufacturer, the KX™ name is synonymous with winning. The KX™450 motorcycle represents the flagship of the KX lineup, built with the sole purpose of dominating the track. Over the past four decades, we've learned what it takes to win and stay on top. Our dedication to building the ultimate machine is undeniable, and the KX™450 represents this to the fullest</p><p></p>
Auburn Extreme Powersports
Auburn, CA
2021 Ycf S-147E E in Mount Vernon, OH
$2,999

New 2021 Ycf Mx

S-147E E
Stock # P0201
2021 YCF S-147E, <br/> New 2021 YCF S-147E Pit Bike For Sale In Mount Vernon, OH <p>This New 2021 YCF S-147E Pit Bike is for sale at Mid-Ohio Powersports located in Mount Vernon, Ohio. Reach out to Mid-Ohio Powersports today, CONTACT US. If this isn't the exact YCF Pit Bike you're looking for don't hesitate to go back and REVISE YOUR SEARCH. We're sure to have the perfect choice for you in our showroom near Columbus, Ohio. Visit Mid-Ohio Powersports, your premier powersports dealership of Ohio.</p> Mid-Ohio Powersports <p>Address: 494 Harcourt Rd, Mt Vernon, OH 43050 </p><p>Phone: (740) 397-5272 </p> 2021 YCF S-147E
Mid-Ohio Powersports
Mount Vernon, OH
2021 Piranha P140RE P140RE in Mount Vernon, OH
$2,499

New 2021 Piranha Mx

P140RE P140RE
Stock # P006
2021 Piranha P140RE, Powered by The YX140 - The MOST POPULAR Pit Bike Engine on the Market!Latest 140cc from PIRANHAUltimate Top-Level Components & Unmatched Performance NEW FOR 2021! Aluminum Sub-FrameBillet Aluminum Brake Systems (Front & Rear)Improved Throttle AssemblySlimmer & Lighter Gas Cap GENERALMANUFACTURER PIRANHAMODELP140RE ENGINEDISPLACEMENT 140CCENGINE TYPEAIR COOLED, SINGLE CYLINDER, 2-VALVE 4-STROKEBORE/STROKE56MM X 57MMFINAL DRIVECHAINFUEL DELIVERY MIKUNI 22MMFUELUNLEADEDRECOMMENDED ENGINE OIL 10W-40 PETROLEUM BASED (NON-SYNTHETIC) IGNITIONKICK STARTYESELECTRIC STARTNOCDIYESAUXILIARY YES TRANSMISSIONTRANSMISSION4-SPEED MANUALSHIFT PATTERNFOUR-UP N-1-2-3-4CLUTCHWET CLUTCH DRIVECHAIN PITCH420FRONT SPROCKET15 TOOTHREAR SPROCKET45 TOOTHCHASSISFRONT SUSPENSION 730MM ZLREAR SUSPENSION 330MM ADJUSTABLE REAR SHOCKSWING ARMALUMINUMFRAMESTEELWHEELSRIMS7116 ALUMINUMHUBSBILLET ALUMINUMFRONT WHEEL 14FRONT TIRE60/100-14 KENDA CARLSBADFRONT BRAKEDISCREAR WHEEL12REAR TIRE80/100-12 KENDA CARLSBADREAR BRAKEDISCDIMENSIONSWHEELBASE47 INCHESSEAT HEIGHT31.50 INCHES<br/> New 2021 Piranha P140RE Pit Bike For Sale In Mount Vernon, OH <p>This New 2021 Piranha P140RE Pit Bike is for sale at Mid-Ohio Powersports located in Mount Vernon, Ohio. Reach out to Mid-Ohio Powersports today, CONTACT US. If this isn't the exact Piranha Pit Bike you're looking for don't hesitate to go back and REVISE YOUR SEARCH. We're sure to have the perfect choice for you in our showroom near Columbus, Ohio. Visit Mid-Ohio Powersports, your premier powersports dealership of Ohio.</p> Mid-Ohio Powersports <p>Address: 494 Harcourt Rd, Mt Vernon, OH 43050 </p><p>P
Mid-Ohio Powersports
Mount Vernon, OH
2021 Suzuki RM85 in Mount Sterling, KY
$3,599

Used 2021 Suzuki Mx

RM85
Stock # SUZ100094
The RM85 continues to carry on the powerful tradition of racing excellence in the Suzuki motocross family. The reliable two-stroke engine produces smooth power at any rpm with an emphasis on low- to mid-range performance. Just like its larger RM-Z cousins, the RM85 delivers class-leading handling for both experienced racers and rookie riders alike. With its smooth power delivery and lightweight handling, the RM85 is the perfect motocross bike for anyone learning to race—and striving to win!<p></p>
Gateway Cycles
Mount Sterling, KY
2021 Suzuki RM-Z450 450 in Mount Sterling, KY
$6,499

Used 2021 Suzuki Mx

RM-Z450 450
Stock # SUZ100105
<p>Low time demo bike!</p><p style="margin-bottom: 1em;">The 2021 RM-Z450 remains the champion’s choice, as its sleek, race-ready appearance, strong engine, and nimble chassis continue the Suzuki tradition of extraordinarily precise handling.</p><p style="margin-bottom: 1em;">The RM-Z450 epitomizes Suzuki’s Winning Balance philosophy with strong brakes for controlled stopping power, a wide spread of engine muscle with high peak power, and a strong, light, and more nimble chassis that remains the class standard for cornering performance.</p><p style="margin-bottom: 1em;">Tuning the electronic fuel injection and ignition systems for maximum performance is easy thanks to Suzuki’s smartphone-based MX-Tuner 2.0 or proven fuel-coupler system that is included with each 2021 RM-Z450.</p><p></p>
Gateway Cycles
Mount Sterling, KY
2021 KTM 450 SX-F SX-F in New Hudson, MI
$5,988

Used 2021 KTM Mx

450 SX-F SX-F
Stock # UM2110
<p>POWER SUPREMACY</p><p style="margin-bottom: 1em;">The championship winning KTM 450 SX-F is a proven formula that is the industry benchmark. For 2021, this machine continues to deliver superior performance and easy handling. It features an extremely compact, single overhead camshaft cylinder head and together with the efficient electronic fuel injection, it pushes out an unrivalled 63hp in the most effective way possible. The KTM 450 SX-F is simply the fastest Motocross bike out on the track.</p><p></p>
Speed Nation Powersports
New Hudson, MI
2021 Kawasaki KX 450 450 in Flint, MI
$7,599

Used 2021 Kawasaki Mx

KX 450 450
Stock # 000698
<p>THE BIKE THAT BUILDS CHAMPIONS.</p><p style="margin-bottom: 1em;">With more Supercross and Motocross championships than any other manufacturer, the KX™ name is synonymous with winning. The KX™450 motorcycle represents the flagship of the KX lineup, built with the sole purpose of dominating the track. Over the past four decades, we've learned what it takes to win and stay on top. Our dedication to building the ultimate machine is undeniable, and the KX™450 represents this to the fullest</p><p></p>
Vehicle City Harley-Davidson
Flint, MI
2021 Kawasaki KX 450 450 in Petersburg, WV
$5,999

Used 2021 Kawasaki Mx

KX 450 450
<p>THE BIKE THAT BUILDS CHAMPIONS</p><p style="margin-bottom: 1em;">With more Supercross and Motocross championships than any other manufacturer, the KX™ name is synonymous with winning. The KX™450 motorcycle represents the flagship of the KX lineup, built with the sole purpose of dominating the track. Over the past four decades, we've learned what it takes to win and stay on top. Our dedication to building the ultimate machine is undeniable, and the KX™450 represents this to the fullest</p><p></p>
Tri County Honda
Petersburg, WV
2021 KTM 450 SX-F SX-F in Valparaiso, IN
$6,999

Used 2021 KTM Mx

450 SX-F SX-F
Stock # 327458
<p>POWER SUPREMACY</p>The championship winning KTM 450 SX-F is a proven formula that is the industry benchmark. For 2021, this machine continues to deliver superior performance and easy handling. It features an extremely compact, single overhead camshaft cylinder head and together with the efficient electronic fuel injection, it pushes out an unrivalled 63hp in the most effective way possible. The KTM 450 SX-F is simply the fastest Motocross bike out on the track.<p></p>
Thomas Honda & Kawasaki
Valparaiso, IN
2021 KTM 450 SX-F Factory Edition SX-F FACTORY EDITION in Hobart, IN
$6,999

Used 2021 KTM Mx

450 SX-F Factory Edition SX-F FACTORY EDITION
Stock # USD327918
<p>THE WINNING FORMULA</p>The KTM 450 SX-F FACTORY EDITION is a championship winning machine. With its development based on feedback coming directly from elite Motocross and Supercross racers, it's the force behind the success of Red Bull KTM Factory Racing riders around the globe. A formula for victory, the 2021 KTM 450 SX-F FACTORY EDITION comes with a list of updates including KTM's proprietary Connectivity Unit as standard, which allows every rider to explore the potential of the innovative myKTM app straight out of the showroom.<p></p>
Cycle Sport Yamaha/KTM
Hobart, IN
2021 KTM 450 SX-F SX-F in Hobart, IN
$6,999

Used 2021 KTM Mx

450 SX-F SX-F
Stock # USD305789
<p>POWER SUPREMACY</p>The championship winning KTM 450 SX-F is a proven formula that is the industry benchmark. For 2021, this machine continues to deliver superior performance and easy handling. It features an extremely compact, single overhead camshaft cylinder head and together with the efficient electronic fuel injection, it pushes out an unrivalled 63hp in the most effective way possible. The KTM 450 SX-F is simply the fastest Motocross bike out on the track.<p></p>
Cycle Sport Yamaha/KTM
Hobart, IN
2021 KTM 150 SX SX in Hickory, NC
$5,497

Used 2021 KTM Mx

150 SX SX
Stock # UM40273
<p>WIDE OPEN TRACK ATTACK</p><p style="margin-bottom: 1em;">With the agility of a 125 and a healthy dose of extra power, the KTM 150 SX is a lively package ready to take on the 250 cc 4-strokes. From within its dynamic lightweight chassis, the compact engine produces class-leading torque and power. Everything about this motorcycle screams high-performance fun and it goes into battle as the ultimate on-track competitor.</p><p></p>
Great Western of Hickory
Hickory, NC
2021 KTM 85 SX 17/14 SX in Hickory, NC
$4,497

Used 2021 KTM Mx

85 SX 17/14 SX
Stock # UM3671
<p>STEP INTO THE BIG LEAGUES</p><p style="margin-bottom: 1em;">With the pro ranks within reach, the KTM 85 SX offers a real taste of the big league of motocross. Following in the footsteps of champions, every inch of this motorcycle mimics the proven design of the big bike range. A lightweight, WP-engineered frame houses its compact rocket ship of an engine, which delivers unrivalled performance and rideability. This mini warrior is the ultimate race weapon and is ready to go out and conquer all in the fight for the top step of the podium.</p><p></p>
Great Western of Hickory
Hickory, NC
2021 Kawasaki KX 450X 450X in Decatur, IL
$5,999

Used 2021 Kawasaki Mx

KX 450X 450X
Stock # K0749C
2021 Kawasaki KX 450X, <b>Engine Type:</b> 4-stroke single, DOHC</br> <b>Displacement:</b> 449cc</br> <b>Bore and Stroke:</b> 96.0 x 62.1mm</br> <b>Cooling:</b> Liquid</br> <b>Compression Ratio:</b> 12.5:1</br> <b>Fuel System:</b> DFI® with 44mm Keihin throttle body</br> <b>Ignition:</b> Digital CDI with 3 Coupler Options</br> <b>Front Suspension:</b> 49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping/12.0 in.</br> <b>Front Brakes:</b> Single semi-floating 270mm Braking® petal disc with dual-piston caliper</br> <b>Front Tire:</b> 80/100-21</br> <b>Rear Suspension:</b> Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression damping, 22-way rebound damping and adjustable preload/12.1 in.</br> <b>Rear Brakes:</b> Single 250mm Braking® petal disc with single-piston caliper</br> <b>Rear Tire:</b> 120/80-18</br> <b>Dry Weight:</b> 235.8 lb.</br> <b>Fuel Capacity:</b> 1.64 gal.</br> <b>Wheelbase:</b> 58.5 in.</br> <b>Ground Clearance:</b> 13.2 in.</br> <b>Seat Height:</b> 37.4 in.</br> <b>Trail:</b> 4.7 in.</br> <b>Rake:</b> 27.6</br> <b>Transmission:</b> 5-speed, return shift, with wet multi-disc manual clutch and hydraulic clutch actuation</br> <b>Final Drive:</b> Chain</br> <b>Colors:</b> Lime Green</br>
World of Powersports - Decatur
Decatur, IL
2021 Honda CRF 450R - Red 450R in Decatur, IL
$7,999

Used 2021 Honda Mx

CRF 450R - Red 450R
Stock # H0350
2021 Honda CRF 450R - Red, <b>Engine Type:</b> Single-cylinder four-stroke</br> <b>Displacement:</b> 449cc</br> <b>Bore and Stroke:</b> 96mm x 62.1mm</br> <b>Cooling:</b> Liquid</br> <b>Compression Ratio:</b> 13.5:1</br> <b>Fuel System:</b> Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body</br> <b>Ignition:</b> DC-CDI</br> <b>Front Suspension:</b> 49mm inverted Showa fork with rebound and compression damping adjustability; 12.2 in. of travel</br> <b>Front Brakes:</b> Single 260mm disc with twin-piston caliper</br> <b>Front Tire:</b> Dunlop MX33 80/100-21</br> <b>Rear Suspension:</b> Pro-Link Showa single shock with adjustable spring preload, rebound and compression damping adjustability; 12.4 in. of travel</br> <b>Rear Brakes:</b> Single 240mm disc</br> <b>Rear Tire:</b> Dunlop MX33 120/80-19</br> <b>Dry Weight:</b> Curb Weight: 244 lb.</br> <b>Fuel Capacity:</b> 1.7 gal.</br> <b>Wheelbase:</b> 58.3 in.</br> <b>Ground Clearance:</b> 13.2 in.</br> <b>Seat Height:</b> 38 in.</br> <b>Trail:</b> 4.5 in.</br> <b>Rake:</b> 27 deg. 7 min.</br> <b>Transmission:</b> Close-ratio five-speed</br> <b>Final Drive:</b> #520 Chain; 13T/49T</br> <b>Colors:</b> Red</br>
World of Powersports - Decatur
Decatur, IL
2021 KTM 85 SX 19/16 SX 19/16 in Decatur, IL
$5,595

Used 2021 KTM Mx

85 SX 19/16 SX 19/16
Stock # KTM3780
2021 KTM 85 SX 19/16, <b>Engine Type:</b> 1-cylinder, 2-stroke engine</br> <b>Displacement:</b> 84.9 cm³</br> <b>Fuel System:</b> MEDJ digital</br> <b>Front Suspension:</b> XACT 43 WP Upside-Down fork, Ø 43 mm</br> <b>Front Brakes:</b> Disc brake</br> <b>Rear Suspension:</b> WP Xplor PDS shock absorber</br> <b>Rear Brakes:</b> Disc brake</br> <b>Dry Weight:</b> 68 kg</br> <b>Fuel Capacity:</b> 5.2 L</br> <b>Ground Clearance:</b> 377 mm</br> <b>Seat Height:</b> 875 mm</br> <b>Transmission:</b> 6-speed</br> <b>Final Drive:</b> Chain: 1/2 x 5/16 in.</br>
World of Powersports - Decatur
Decatur, IL
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