Produktinfo

WIDE OPEN TRACK ATTACK

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 completely reworked new chassis, the compact, lightweight 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.

Motor og eksos

Motor og Eksos

The pure exhilaration that this bike’s engine delivers warranted further development and continued production. As it shares many of its key components with the class-leading 125, the cylinder, cylinder head and piston unit can now also be fitted on a 125cc engine base, converting it to a 150 SX without having to replace the crankshaft. Compact and powerful, this innovative 2-stroke engine is a lightweight powerhouse that makes perfect sense.

TRANSMISSION

The KTM 150 SX is now fitted with a new, more robust 6-speed transmission. The gear ratios were carried over from the predecessor, but all the gears feature improvements and reinforcements. Another highlight of the 150 SX transmission is the no dirt gear shifter. Similar to the foot peg design, it prevents the build-up of […]

IGNITION

All 2-stroke models feature a new CDI control unit with an advanced hardware which improves the starting behavior of the engine. The ignition curves remain unchanged.

EXHAUST

When it comes to improved power delivery and performance, the new exhaust plays a key role and packs a punch that is hard to beat. In addition, its new shape provides slimmer ergonomics while still operating safely within the noise limits for racing.

CYLINDER

At the core of the 150cc engine is a reworked cylinder. It has a 58 mm bore and features an improved power valve unit with a sophisticated mechanism for the lateral support exhaust ports. The new exhaust port layout increases engine performance, while the upper contour of the exhaust port has been machined to ensure […]

CRANKSHAFT

At the heart of the engine, the crankshaft features a 72 mm stroke that produces the optimal torque and revs. It has been ideally balanced and with the counter balancer shaft, resulting in minimum vibration. The crankshaft is placed in the perfect position to centralize mass, contributing to better agility and handling.

CRANKCASES AND ENGINE COVERS

The lightweight and compact engine cases are manufactured using a high pressure die-cast production process that reduces weight, whilst retaining strength and durability. The design allows for a higher crankshaft position which is located closer to the center of gravity, resulting in optimal mass centralization and easier ride-ability. Additionally, for 2019 the seat of kickstart […]

COOLING

Maintaining the optimal engine temperature is crucial to ensuring consistent horsepower throughout the ride. The KTM 150 SX features newly designed radiators which are mounted 12 mm lower than the predecessors. This lowers the center of gravity and matches the design of the new shrouds perfectly, in order to achieve perfect ergonomics. By using CFD […]

CARBURETOR

The KTM 150 SX is fitted with a MIKUNI TMX carburetor. This 38mm flat slide carb lives to provide smooth and controllable power all the way up to the rev limitation. With a new intake manifold the carburetor is turned 7° in order to reduce the overflow of fuel. And it’s less sensitive to different […]

Chassi

Chassi

The KTM 150 SX is just made to be ridden aggressively, resulting in the development of a new chassis that is light and responsive enough to further enhance its dynamic reputation. For 2019, the KTM 150 SX features a new lightweight, high-tech steel frame that not only responds well to aggressive inputs, but has also been optimized to provide exceptional feedback to the rider. The new flex characteristics soak up those unwanted hits while also delivering excellent agility and high-speed stability. As a whole, this new chassis gives the rider the confidence to be 100% in charge of the ride.

WHEELS

KTM uses lightweight, CNC-machined hubs and high-end Excel rims on all SX models, guaranteeing maximum stability and minimum weight. For 2019, the aluminum spoke nipples feature a reworked design, which conveniently reduces the frequency with which the spokes need to be tightened. The wheels are fitted with the latest Dunlop Geomax MX 3S tires, delivering […]

TRIPLE CLAMP

All SX models feature top quality, CNC-machined triple clamps and have become somewhat of a KTM trademark. For 2019, the triple clamp has been reworked with stiffer upper clamps (22 mm offset for all models) to suit the reworked frame stiffness and flex characteristics of the latest WP AER forks. The result is a front […]

SWINGARM

The KTM 150 SX features an improved one-piece swingarm, with 5 mm of extra axle adjustment thanks to a reshaped axle slot. This allows the wheel to be set further back, for increased stability on the roughest tracks. Manufactured using a gravity die-cast production process, it offers exceptional strength at the lowest possible weight. The […]

REAR SUSPENSION

All SX models feature a DDC monoshock, which has been developed to work as a complete unit with the entire frame and swingarm architecture, as well as the linkage system and the AER 48 forks. It features high-quality machined and anodized components, which add a touch of class and give it appeal beyond just a […]

FUEL TANK

All models in the SX range are fitted with newly designed lightweight polyethylene fuel tanks. The fuel capacity on the full-size SX models is still 7 liters, but the new shape improves the ergonomics. The filler cap has an inside thread that makes for easy and reliable closure.

FRONT SUSPENSION

All full-size SX models are fitted with the super-lightweight WP AER 48 front fork. It is a 48 mm USD air-sprung fork with separate functions for each fork leg, meaning damping functions are on the right side and the air spring is on the left. The left leg features a two-chamber system with a capsuled […]

FRAME

The all-new KTM 150 SX frame is professionally crafted from hydro formed Chromium Molybdenum steel tubes that are robot welded, ensuring the highest levels of consistent quality. With improved stiffness for more responsive handling, while working in total harmony with the suspension, for uncompromised high-speed stability. The frame also features “no-dirt” footpegs which have a […]

BRAKES

High-tech Brembo brakes have always been standard equipment on all KTM motocross bikes. Combined with lightweight wave discs, the renowned system provides the highest level of braking efficiency, enabling you to out-brake the competition.

AIRBOX

The new airbox on the KTM 150 SX has been completely reworked to ensure better flow dynamics, resulting in optimal power and throttle response. Despite the obvious performance enhancements, the new design also offers maximum protection against soiling of the air filter. The large Twin-Air air filter is mounted on a cleverly designed stiff cage […]

Ergonomi og komfort

Ergonomi og komfort

When it comes to attacking the track, chasing faster times with every lap, there is no better weapon than the KTM 150 SX. Its performance-inspired design allows the rider to shift his weight quickly and easily, working in perfect harmony with the motorcycle. KTM has focused extensively on creating bodywork and ergonomics that are shaped for high-level performance, ensuring a riding position that offers the best riding position for control. A rider’s main interaction with the bike is through the bodywork, footpegs, handlebars. No compromises were made in these important areas and only the best quality products and designs can be seen on all SX models. KTM produces dynamically fast motorcycles and every effort goes into making sure the rider has the ability to confidently control it.

SEAT

All SX models have a newly shaped seat, designed to match the improved ergonomics. The seat cover features newly developed 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 safe and easy to handle.

HANDLEBAR

All full-size SX models are equipped with the same high-strength aluminum tapered handlebar, made by NEKEN. The handlebar is fixed in rubber damped mountings, which allow for two different positions. The handlebars come standard with an ODI vulcanized grip on the right side and a comfortable ODI lock-on grip, which does not require any wire […]

FOOTPEGS

Sophisticated ´No Dirt´ footpegs prevent smudging up the pegs, even when digging in deep ruts. Looking for a higher riding position? Then just mount the footpegs of the MY2018 EXC models, which are 6mm higher than the SX versions.

Bodywork og dekaler

Bodywork og dekaler

Those who ride a KTM 150 SX thrive on the extra power it delivers, while still having the dynamic agility and feel that a 125 cc offers. These riders are always pushing themselves and their machines to the limit and need the freedom of movement to position the bike where they want it on the track. With input from KTM factory riders, KTM R&D as well as Kiska Design, the bodywork on the entire SX range achieves perfect harmony between rider and bike, providing the manoeuvrability the rider expects and the control he needs. The bodywork also contains intelligent design elements, like the I-beam structure on the front and rear fenders, which guarantee maximum stability without adding any extra weight. The new graphics suit the aggressive nature of the bike and further enhance the high performance style of the bodywork.

DECALS

The 2019 SX models feature the latest in-mold graphics, matching the new bodywork perfectly. They have a fast and aggressive style that screams READY TO RACE, leaving no doubt as to the bikes’ high-performance intentions.

Programvare og elektronikk

Programvare og elektronikk

Absolute performance purity is the name of the game when it comes to electronics and the new KTM 150 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.

Tekniske detaljer

TECH DETAILS

Engine
Design
1-cylinder, 2-stroke engine
Displacement
143.9 cm³
Bore
58 mm
Stroke
54.5 mm
Starter
Kickstarter
Transmission
6-speed
Clutch
Wet multi-disc clutch, hydraulically actuated
EMS
Kokusan
Chassis
Frame design
25CrMo4 steel central-tube frame
Front suspension
WP-USD, AER 48, Ø 48 mm
Rear suspension
WP shock absorber with linkage
Suspension travel (front)
310 mm
Suspension travel (rear)
300 mm
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 °
Ground clearance
375 mm
Seat height
950 mm
Tank capacity (approx.)
7.5 l
Weight READY TO RACE (without fuel)
87.5 kg
Handlekurv Produkt fjernet Undo
  • Ingen produkter i handlekurven