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2021 250 SX-F KTM Dirt Bike Review Price Specs

2021 250 SX-F KTM Dirt Bike was built to take the world by storm and continue to do so until 2021. Aside from its low weight, this bike has an unmatched power delivery that will inspire riders of all skill levels to take the road more confidently. The key to quick lap times is laying the power down properly, and this competent package has all the qualities to get the essential job done — winning the race.

In terms of power delivery and performance, the exhaust on all 4-stroke versions delivers a punch that can’t be beaten. You’ll find an FDH (Flow Design Header) small chamber surrounding the pipe in a model-specific header pipe. Since the shock absorber does not need to be removed, this design makes it easier to service the shock. Slimmer design is possible thanks to the aluminum sleeve and end cap, as well as the silencer’s internal structure.

2021 250 SX-F KTM Dirt Bike – Features and Price

2021 250 SX-F KTM Dirt Bike


This year’s model retains its reputation as the most powerful 250cc engine globally. In addition to the bike’s low weight, the bike’s compact design helps to excellent mass centralization. An enhanced middle gear in the 2020 model, as well as various other tiny but significant improvements in dependability, contribute to a better driving experience. The KTM 250 SX-F is a genuine force to be reckoned with, but it’s simple to ride for beginner and professional riders thanks to its low weight of just 57.1 lbs. and compact engine arrangement.

2021 250 SX-F KTM Dirt Bike


Maximum power and rapid throttle response are ensured by the KTM 250 SX-airbox F’s, which work in conjunction with the intake snorkels. Despite the apparent benefits, the design provides optimal protection for the air filter. Using a cleverly designed stiff cage, the sizeable Twin-Air air filter can be installed correctly. Maintenance of the filter is fast and straightforward, and there are no tools required, as on prior models. It is a typical feature from KTM. Power Parts airbox cover (in the by-pack) for the SX-F has extra air intake holes for increased engine performance, allowing the airbox to be modified for differing engine characteristics or race conditions.


To accommodate the frenetic riding styles that are characteristic of its class, the KTM 250 SX-frame F’s needs to be flexible. The frame is made from hydroformed chromium-molybdenum steel tubes and robotically welded to achieve the most significant levels of consistency in quality, as with the complete SX line. Refined frame rigidity works with the suspension to give responsive handling while ensuring high-speed stability. Frame protectors are standard on all 2020 KTM SX frames, which have a powder coating that is very resistant to corrosion. A lightweight aluminum subframe gives the rider a fantastic sense of control and allows for effortless mobility over the seat.

2021 250 SX-F KTM Dirt Bike


Even when digging deep ruts, sophisticated ‘no-dirt’ footpegs keep the footpeg pivot clean. Want to ride in a more elevated position? Simply install the EXC models’ 6 mm-higher footpegs instead of the SX variants.


Every KTM SX model is equipped with a seat designed to complement the range’s dynamic performance ergonomics flawlessly. Silicone strips on the seat cover enhance rider comfort. One long, lateral screw secures the seat to the bike, making it secure and straightforward to use.

2021 250 SX-F KTM Dirt Bike

2021 250 SX-F KTM Dirt Bike – Technical Specifications


Transmission 5-speed
Starter Electric starter
Stroke 52.3 mm
Bore 78 mm
Clutch wet multi-disc clutch, Brembo hydraulics
Displacement 249.9 cm³
EMS Keihin EMS
Design 1-cylinder, 4-stroke engine

2021 250 SX-F KTM Dirt Bike


Weight (Without Fuel) 99 kg
Tank Capacity (Approx.) 7 l
Front Brake Disc Diameter 260 mm
Rear Brake Disc Diameter 220 mm
Front Brake Disc brake
Rear Brake Disc brake
Chain 5/8 x 1/4″
Frame Design Central double-cradle-type 25CrMo4 steel
Front Suspension WP XACT-USD, Ø 48 mm
Ground Clearance 370 mm
Rear Suspension WP XACT Monoshock with linkage
Seat Height 950 mm
Steering Head Angle 63.9 °
Suspension Travel (Front) 310 mm
Suspension Travel (Rear) 300 mm

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