KTM 250 SX-F 2017 Review Specification & First ride

August 22, 2016

3612

The new KTM 250 SX-F 2017 and its previous generation have been on top of MX2 World Championship for many years. The new KTM 250 SX-F 2017 is the best bike among all competitors, which is newly launched by KTM Company. Just like the previous generations, the new KTM 250 SX-F 2017 is only for those champions who wants to concur the world championship title. The new KTM 250 SX-F 2017 comes with a successful combination of a powerful and torquey engine in the combination of lightweight and agile chassis which is considered to be ideal for the dirt bikes. The new KTM 250 SX-F 2017 is extremely responsive towards the rider’s action, and it provides a smooth connection between riders and bike. The bike provides an impressive grip and torsion so that rider should not need to get worried about the slippery surfaces. The reviews of KTM 250 SX-F 2017 are written below.

KTM 250 SX-F 2017 – Specs

Engine

The new KTM 250 SX-F 2017 comes with a high engine of 249 ccs with MX2 paddock. The engine of the new KTM 250 SX-F 2017 comes with a 14,000 rpm which produces incredible sound, tons of torque and power across the rest of rev range. The compact design of the engine contributes to an excellent mass centralization, supporting the rideability of the new bike. The engine weighs only 26.1 kg that includes the fantastic electric starter as well.

The new 2017 KTM 250 SX-F bike comes with a compact DOHC (double overhead camshaft) engine which has the cutting edge cylinder head. It contains two overhead camshafts, which activates the titanium valves via super light finger which comes with a hard DLC coating. The engine has a new lateral bracket which comes with aluminum instead of steel that allow an efficient fixation of the engine to the frame, and it results in the reduction of overall weight. The new 2017 KTM 250 SX-F bike has a rigid crankshaft that contains a connection rod with a plain big end bearing two force-fitted bearing shells run directly on the crank pin. The design is a major prerequisite for super high engine speed levels and the unrivaled maximum power of the 250cm3 driving force. This will also increase the durability of an engine by allowing the long crankshaft service intervals which are a huge benefit for the customer in relation to time, cost, and effort. The driving force behind 2017 KTM 250 SX-F is fitted with a smooth five-speed gearbox which has a special surface treatment on the 2nd, 3rd and 4th gear for best reliability. The bike comes with advanced ‘No Dirt’ gear lever design which prevents the dust from blocking the joint of the lever and ensures a safe activation of the transmission. The 4-stroke engines are fitted with an individual gear sensor to give the option of various engine characteristics for each gear. The new 2017 KTM 250 SX-F comes with a unique electric starter as standard, which has a distinct advantage when it comes to crunch time in the heat of battle. The bike comes with a high motor which is made by Mitsuba, and the proven starter drive will fire up the star track time of the rider and time again at the push of a button. The die-cast engine cases are designed in such a way that they further reduce the weight, and they allow for very centralized shaft configuration. It will make with engine short and compact while contributing to an efficient mass centralization. The cover of the engine also contains a stable surface structure that will reduce the wear caused by the boots of rider. The new 2017 KTM 250 SX-F comes with state of the art Keihin Engine Management System with electronic fuel injection features a 44 mm throttle body. The response of engine is instantaneous and easier just because of its unique injector position, separate systems for cold start and idle adjustment are also available for a rider. The lightweight ECU contains a fantastic traction and launch control system for instantaneous response when the bar drops and gets the maximum grip; all this is possible due to different maps that will sync the gear rider is riding. The rider can even unleash to more powerful mapping via the handlebar map switch.

The engine of the bike comes with a short cylinder with a bore of about 78 mm, thumps a box-type piston which is made by CP. The crown geometry is adapted perfectly to the high compression combustion chamber of ratio about 14:1, where it has rigid structure and has little weight shine. The engine is as cheerful as its strength; this is only possible due to its low oscillating masses. To balance the mass force the newKTM 250 SX-F 2017 engine has a multifunctional counter balance shaft, which at the same time drives the water pump and timing chain. The new KTM 250 SX-F 2017 comes with an incredible cooling system that routes the coolant from the cylinder head through the frame triangle, directly to aluminum radiators which are made by WP. By using the flow optimized internal circulation and CFD-calculated air ventilation, this system is excellently efficient. Moreover through radiator guards integrated into the front part of spoilers provides protection in case of the crashes. The new KTM 250 SX-F 2017 has a highly compact CSS clutch (Coil Spring Steel) contains a wear-free steel basket which is fitted with a seven clutch plates, which are extremely heat resistant due to its steel carrier discs. The Brembo hydraulic system provides a smooth and more precise modulation.

Chassis

The new KTM 250 SX-F 2017 has a lightweight, high-tech chrome-moly steel frame that has a knack for easy handling, outlandish rideability, excellent stability and precise cornering. The bike is best known for its high torsional rigidity and low longitudinal stiffness. It will make the bike for better absorption of energy created from the front and rear suspension, sucking up jumps and bumps. In other words, the chassis of the bike is more comfort and less rider fatigue. The bike has a laterally attached and lightweight aluminum engine head which contribute to more precise cornering and it reduce vibration level. The KTM engineers got success in making their frame a big fat kilogram lighter than that of the lightest competitor available in a market. Moreover, the maintenance of the bike is comfortable, and the frame supplies more space for the tank and other components. The bike also contains an extra-light sub-frame which is made up of stable aluminum profile that tiptoes the scale at less than 900 grams. The primary objective of the KTM engineers was to develop such bike for KTM which has a minimum weight as compared to the previous generation. It results in a slimmest, lightest bikes in the competition, even though the 4-stroke engine is equipped with an electric starter as a standard feature, while the other competitors still need to be kick started. The bike has a sophisticated ‘No Dirt’ footpegs that prevent smudging up the pegs, even when digging in deep ruts. If a rider is looking for a higher position, then he must mount the footpegs of MY2017 EXC models, which are about 6 mm greater than the SX versions. The design of the airbox for the new KTM 250 SX-F 2017 offers a maximum protection of the air filter against soiling, while it also guarantees maximum airflow. The bike has a large twin air filter which is mounted in a stiff cage, which at the same time holds the system in place. The design is so simple that rider can quickly pop a fresh one in with a face full of mud. Without any help of tools and within a few seconds. The new bike has a brand new exhaust system. All four strokes come with the header pipes that has an exceptional standard feature, an additional resonator system, a small chamber connected to the tube. On its top, there is a short silence which is installed as close to the engine as possible. It means extra mass centralization and better rideability. The bike has advanced internal design which minimizes the noise sufficiently to sit safely below the FIM noise limit. The design of the cast aluminum offers a little weight and the perfect flex behavior. The bike comes with a single-component casting process which eliminates any inconsistencies and inherent weak points which are created by welding.

The KTM engineers were severe about the shape and design of handlebars. The new KTM 250 SX-F 2017 bike comes with a high strength aluminum by NEKEN which is fixed in damped rubber mounting, and it comes with a two different positions. The new KTM 250 SX-F 2017 comes with lower handlebar clamps which are separated, while on the upper side, there is a new bridge type clamp which ensures more torsional stiffness. The replace of bars are very easy in case of any accident. The ODI vulcanized grip sits on the right, while on the left side of the handlebar, there is a comfortable ODI lock on the grip which is preinstalled, there is no need for any wire or glue to be fixed. There is a lightweight polyethylene tank with a capacity of 7 liters. The filler cap has an inside thread that makes it easy and more reliable. The bike has a tailor-made seat, which meets the requirement of world’s fastest backsides. The KTM 250 SX-F 2017 has a durable seat, and it offers a great comfort to the rider. The new KTM 250 SX-F 2017 has an incredible seat cover which provides a rider better feel and grip. The new KTM 250 SX-F 2017 comes with a lightweight. CNC machined hubs wheels which have high-end Excel rims that ensure the maximum stability at minimum weight. These wheels are fitted with the latest Dunlop Geomax MX 3S tires. These wheels are the bit wider at the rear part i.e. 110/90-19 instead of 100/90-19, and the KTM 250 SX-F 2017 bike gets an optimized secondary drive i.e. 14/51 instead of 13/50.

Design

The new KTM 250 SX-F 2017 comes with incredible Kiska Design, the primary objective of KTM engineers was to develop such design of the bike which establishes the complete harmony between the rider and the bike. The new KTM 250 SX-F 2017 has a perfect ergonomics and contact points, it creates a maximum freedom of movement, a low seat height, and a sweet comfort, especially in the rear part of the seat. The I-beam structure of the bike has a front, and rear fenders which are the excellent example of intelligent design, maximum stability, and the little weight is only achieved due to the construction and mounting. They stay clean as well. The new KTM 250 SX-F 2017 bike has a tailor made the kit which gives an impressive look. Since the new KTM 250 SX-F 2017 bike is for camps so it must be complete in all regards.

Electronic system

The new KTM 250 SX-F 2017 is equipped with quite an extraordinary electronic system. The bike has a multi-functional handlebar map switch which has three functions.

Activation of the traction control
Activation of the launch control
Selection of an alternative power curve

The traction control system of the bike is working incredibly; it is a unique feature that no other competitor has. It ensures a more efficient traction and better control of the bike when accelerating. With the help of map switch, the rider can activate the launch control which provides the most useful start for the gate so a rider can go for his best ride, time and time again. The newKTM 250 SX-F 2017 can only reduce the maximum engine speed at the very first moment of the start, for better control. Push both buttons when the engine idles and the EFI control lamp is installed on the upper triple clamps which will let the rider know that this control is also active. Moreover, the map switch provides the rider a chance to select the alternative, more robust map beside the standard configuration. The new 2017 KTM 250 SX-F has got fame among its lovers due to the availability of boost button. All the 2017 KTM 250 SX-F bikes’ engine are fitted with the proven electric starter, this is a unique feature offered by KTM, and it benefits at all levels of motocross racing. The bike has a super compact and the lightweight 495 grams Lithium-Ion starter battery which breathes life into the engine, and it also contributes to the low vehicle weight. The battery and wiring harness are centralized in a compartment just above the airbox that allows the machine to remove the subframe without getting in conflict with the electrics. The new 2017 KTM 250 SX-F comes with a start push buttons which provides a priceless advantage when a rider is on a clock.

Suspension and brakes

The new KTM 250 SX-F 2017 comes with a WP mono shock that has been developed with the entire frame and swingarm design in mind that include the linkage system and the WP AER 48 front forks. The bike features a machined and black anodized components and is a valuable, high-end product compared to roughcast reservoirs. The bike comes with a new and softer spring that perfectly match the reworked front end set-up and the sparkling WP color scheme which lets the others know the exact taste of rider about the suspension system. The bike comes with a lightweight WP AER 48 front fork with a 48 mm USD air sprung fork which is developed by WP in collaboration with the KTM engineers, is a split fork with the separate function for each leg. It just means that damping function is on the right side, whereas the air spring is on the left. The left leg contains a two chamber system with a capsule air cartridge that prevents loss of atmospheric pressure. Rider should not need to get worried if the outer seal starts to leak, the internal cartridge pressure will keep the bike in position. The air spring of the bike is easy to adjust to any weight of rider by using single air valve, no special tools are required, and the air pump supplied with the motorcycle will do just fine. The right fork leg will integrate the damping cartridge, which tailors to all rider damping needs. It can easily be adjusted to the track conditions and the preference of riders with the twist of a dial. The new 2017 KTM 250 SX-F has an AER 48 which has a particular feature of redesigned outer tubes with better bending characteristics, smoother operation, and less friction. Moreover, they have lost a weight of about 265 grams. These folks are more comfortable and more sensitive than ever before. The new 2017 KTM 250 SX-F bike has a top quality CNC machined triple clamps which are known for the trademark of KTM for many years. It ensures the precise handling, and they support the flex characteristics as well with the action of forks. The bike has the upper triple clamp which is redesigned in conjunction with the all-new fork tubes. The rubber damped handlebar fixation has been reworked, and the lower handlebar clamps are now separated, while on the upper side a new bridge-type clamp ensures more torsional stiffness and it can easily be replaced in case of any accident. Moreover, an hour meter is fitted with the upper triple clamp to let the rider know at the time of service. The new 2017 KTM 250 SX-F bike has smooth brakes so rider should not be worried about harder, better, stronger and faster brakes. The bike has a high-tech Brembo brakes which are combined with lightweight wave discs made by Galfer. The new bike comes with a rear brake of about 10 mm longer brake pedal that is less aggressive.