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Call us at 888-284-4588 or 541-928-3390 to see what kind of deal we can put together for you.
   MSRP prices do not include destination charge, pre-delivery set-up, state or local, title, registration, and license fees.
2017 KTM 450 SX-F  If gold is what youíre after, a 450 SX-F is what you get. Thanks to its compact engine delivering explosive but controllable power, itís the weapon of choice for the Red Bull KTM Factory Team and the champion, Ryan Dungey. This READY TO RACE bike rules the AMA Supercross Championship. Its secret? Precise handling and arm-stretching grunt. Winners - line up here.

Technical Specs

Features and Benefits

100.2 KG  KTM engineers just love dropping weight year after year. The result: the 2017 SX models are the slimmest, lightest dirt bikes out there - even though the 4-strokes are equipped with an electric starter as a standard feature, while the competition still needs to be kickstarted. You can just focus on kicking ass.
 
Airbox  The airbox design offers maximum protection of the air filter while ensuring maximum airflow. The large twin-air filter is mounted in a stiff cage, which at the same time holds the system in place. This design is so simple, you could still pop a fresh one in with a face full of mud. Without tools. In seconds.
 
Frame  The high-tech, lightweight chrome-moly steel frame is engineered for excellent handling, precise cornering and supreme stability. You can also count on high torsional rigidity and low longitudinal stiffness for better absorption of the energy created by the front and rear suspension sucking up jumps and bumps. In short: more comfort and less rider fatigue. Laterally attached, lightweight engine head stays contribute to a reduced vibration level. Two threaded inserts in the lower cradle tubes allow for an optional skid plate. The engineers were able to pull off all that, while making the frame two pounds lighter than that of the lightest competitor on the market. In addition, the frame is easier to maintain, easier to work on and supplies more space for the tank and other components. The bike also features an extra-light aluminum subframe, which weighs in at less than 2 pounds.
 
Footpegs  Sophisticated "No Dirt" footpegs prevent clogging of the footpeg pivot, even when digging in deep ruts. Looking for a higher riding position? Then just mount the footpegs of the MY2017 EXC models, which are 6mm higher than the SX versions.
 
Swingarm  The cast aluminum design offers low weight and a perfect flex behavior. The single-component casting process eliminates any inconsistencies and inherent weak points created by welding. Itís better looking too.
 
Handlebar  KTM engineers sure know how to handle handlebars. This tapered one, made of high-strength aluminum by NEKEN, is fixed in damped rubber mounts and has two different positions. From 2017 onwards, the lower handlebar clamps are separated, while on the upper side a new bridge-type clamp guarantees more torsional stiffness. Itís also easier to replace the bar in case it gets twisted in a nasty crash. ODI lock-on grips make grip changes easy which does not require any wire or glue to be secured.
 
Exhaust  Noise limits are a real challenge for every manufacturer. Therefore, KTM has put a lot of effort into the development of its exhaust systems. All 4-strokes are fitted with header pipes that have a unique standard feature; an additional resonator system Ė a small chamber connected to the pipe. For the 450 SX-F the engineers developed an even more advanced version called FDH (Flow Design Header) that provides better engine performance and reduced noise. All 4-strokes are fitted with a short silencer, mounted as close to the engine as possible for mass centralization and better rideability. Its advanced internal design reduces the noise sufficiently in order to sit safely below noise limits while still raising the hairs on your neck.
 
Wheels  Featuring lightweight, CNC machined hubs and high-end Excel rims, they guarantee maximum stability and minimal unsprung weight. The wheels are shod with the latest Dunlop Geomax MX 3S tires for exceptional handling.
 
Seat  Tailored to meet the needs of the worldís fastest racers, this durable seat offers great comfort. For 2017, a new cover gives its riders even more grip with better feel.
 
Fuel Tank  A lightweight polyethylene tank has a capacity of 1.85 gallons. The filler cap has an inside thread, which makes for easy and reliable closure.
 
Cooling System  KTMís proven cooling system routes the coolant from the cylinder head through the frame triangle, directly to aluminum radiators made by WP. A new filler cap system and are stiffer alloy construction increase the durability and reliability of the cooling system. Due to flow optimized internal circulation and CFD-calculated air ventilation, the system is superbly efficient. In addition, well thought-out radiator guards integrated in the front part of the shrouds provide protection in a crash.
 
Engine  The hugely successful 450 SX-F powerhouse has extremely compact dimensions, strong performance throughout the rev range and a low weight; this is the lightest 450 engine on the MX market. But that doesnít mean itís not a heavyweight in terms of muscle. Fitted with a single overhead camshaft cylinder head and the latest electronic fuel injection, it pumps out an unrivaled 62hp. With KTMís engineers working tirelessly to create the ultimate READY TO RACE machine, this powerhouse has the latest engine management technology on board and confidently shoots both amateurs and pros to the top of the podium.
 
Cylinder Head  Inside the SOHC cylinder head, an overhead camshaft controls four ultra-lightweight titanium valves via extremely rigid rocker arms, which are DLC-coated on the intake side. A configuration like this allows engine speeds of up to 11,500rpm; a baffling figure for a large displacement thumper. New lateral brackets, made of aluminum instead of steel, allow an efficient fixation of the engine to the frame and contribute to the bikeís featherweight feel.
 
Crankshaft  The 450 SX-Fís crankshaft utilizes a short connecting rod, which makes for an overall compact and lightweight engine with a snappy power delivery. A plain big-end bearing with two force-fitted bearing shells runs directly on the crank pin. The necessary oil feed for this bearing is ensured by the engineís pressurized lubrication. This design is a decisive benefit in terms of the crankshaft service interval, which can be lengthened due to the plain bearing. So just pin it, all day long.
 
Transmission  The 450 SX-F uses a lightweight 5-speed gearbox with gear ratios that are perfectly matched to the power delivery of its large displacement engine. The 1st and 3rd gears are treated with a special surface coating for better reliability. An advanced īNo Dirtī gear lever design prevents mud and sand from blocking the joint of the lever and guarantees trouble-free shifting. All 4-stroke engines are fitted with a gear sensor, giving the option of different engine characteristics for each gear.
 
Engine Management System  The state-of-the-art Keihin Engine Management System with electronic fuel injection features a 44mm throttle body. Thanks to its unique injector position, the engineís response is instantaneous. And to make life even easier, separate systems for cold starts and idle adjustment await you. The lightweight ECU features a unique traction and launch control system for lightning-quick response when the gate drops and maximum grip thanks to different maps that sync with to the gear youíre in. Itís also possible to unleash an even more powerful mapping via the handlebar map switch.
 
Engine Cases and Covers  The design of the die-cast engine cases allows for minimal weight and a very centralized shaft configuration. This makes the engine short and compact, while contributing to an efficient centralization of masses. The engine covers also feature a solid surface structure, which reduces the wear caused by the riderís boots. This way, your SX-F will keep looking better longer.
 
Cylinder and Piston  Inside the short cylinder - featuring a bore of 95mm - sits an extremely light, box-in-box type piston that delivers a major contribution to the engineís low vibrations while it handles high engine speeds with ease.
 
Clutch  The side-mounted counter balancer does double duty also driving the water pump. Thanks to its perfect balance and low oscillating masses, engine vibration is kept to a minimum.
 
Counter Balance Shaft  The 450 SX-F employs the KTM-developed DDS clutch (damped diaphragm steel) with a wear-free steel basket and extremely heat resistant clutch plates. This clever design employs a diaphragm spring instead of the usual coil springs, making for considerably easier clutch action. A diaphragm spring also leaves sufficient space for a damping system to be integrated into the clutch hub. The goal is traction, but durability is as well. A lighter basket, a reworked inner hub and a pressure plate providing better oil supply and unsurpassed cooling up the longevity of the DDS clutch. Light operation and telepathic amounts of control are standard with this hydraulic Brembo actuated clutch.
 
Handlebar Map Switch  All 4-stroke models are equipped with a sophisticated new multi-functional handlebar map switch, which does three things:∑ Activation of the traction control∑ Activation of the launch control∑ Selection of an alternative power curve (Standard or Advanced). The traction control is a unique feature that none of the competitors can offer. It guarantees more efficient traction when the track conditions are less than perfect. Push the button and reign supreme. With this map switch the rider can also activate the launch control, which provides more efficient starts out of the gate so you can go for the holeshot, time and time again. How? It simply reduces the maximum engine speed for the very first moment of the start, in order to give you better control. Push both buttons when the engine idles and the EFI control lamp mounted on the upper triple clamps will let you know you are READY TO RACE. In addition, the map switch gives the rider the chance to select an alternative, more powerful map beside the standard configuration. Welcome to the future.
 
Battery and Wiring Harness  All SX-F engines are fitted with the proven electric starter Ė a unique KTM feature and a major benefit at all levels of motocross racing. A super compact and lightweight one-pound Lithium-Ion starter battery breathes life into the engine and contributes to low vehicle weight. The battery and wiring harness are centralized in a compartment above the airbox, allowing the mechanic to remove the subframe without with the electrics. A happy mechanic is a good mechanic.
 
Electric Starter  Like all KTM 4-stroke motorcycles, the 450 SX-F is started at the push of a button - a priceless advantage when youíre on the clock.
 
Monoshock  The WP monoshock has been developed with the entire frame and swingarm architecture in mind, including the linkage system and the WP AER 48 front forks. It features machined and black anodized components and is a valuable, high-end product compared to roughcast reservoirs. A new setting and a softer spring perfectly match the reworked front-end set-up and its sparkling WP color scheme lets everyone know you have excellent taste in suspension.
 
Forks  The lightweight WP AER 48 front fork, a 48mm USD air-sprung fork developed by WP in close collaboration with KTM, is a split fork with separate functions for each leg. That means damping functions are on the right side, whereas the air spring is in the left. This left leg features a two-chamber system with a capsuled air cartridge to prevent loss of air pressure. The air spring is easy to adjust to any rider weight via a single air valve. No special tools are required; just the air pump provided with the bike. The right fork leg integrates a damping cartridge that tailors to all your damping needs. It can be adjusted to the track conditions and the riderís preferences with a twist of a dial (compression from the top, rebound from the bottom, 30 clicks each). For 2017, the AER 48 also features redesigned outer tubes with better flex characteristics, smoother operation and less friction. And they are 3 pounds lighter than the 4CS units they replace. Right off the dealer floor, these forks are more comfortable and more sensitive than ever. But you can still hammer the hell out of them.
 
Triple Clamp  Top quality, CNC machined triple clamps have been a KTM trademark for years to ensure precise handling. For 2017, the upper triple clamp specifically features a redesign in conjunction with the new fork tubes. The rubber damped handlebar mount has also been reworked and the lower handlebar clamps are now separated, while on the upper side a new bridge-type clamp guarantees more torsional stiffness and can easily be replaced in case it gets twisted due to a crash. In addition, an hour meter is fitted at the upper triple clamp in order to let the rider know itís time for a service.
 
Brakes  You canít brake any harder, better, faster or stronger. These high-tech Brembo babies are combined with lightweight wave discs made by Galfer. For 2017, the rear brake features a 10mm longer brake pedal and you get new, less aggressive brake pads all round.
 
Bodywork  KTM R andD, Kiska Design and the factory racers had their say in shaping the plastics with one goal: complete harmony between rider and bike. Perfect ergonomics and contact points provide maximum comfort in movement on the SX-F. The I-beam structures of the front and rear fenders guarantee maximum stability and a low weight thanks to well thought-out construction and mounting. They also stay cleaner for longer.
 
Graphics  New graphics convey the READY TO RACE character of the 2017 SX-F model line.
 
 
 

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