KTM 250 SX-F 2021 - Specifications & Review

250 SX-F

Article Complete Info

Articleid600884
CategoryCross-motocross
MakeKTM
Model250 SX-F
Year2021

Chassis, Suspension, Brakes & Wheels

FrametypeCentral double-cradle-type 25CrMo4 steel
FrontbrakesSingle disc
FrontsuspensionWP XACT-USD, Ø 48 mm
Fronttyre80/100-21
Frontwheeltravel310 mm (12.2 inches)
Rake26.5°
RearbrakesSingle disc
RearsuspensionWP XACT Monoshock with linkage
Reartyre110/90-19
Rearwheeltravel300 mm (11.8 inches)
WheelsWire spoked.

Engine & Transmission

Borexstroke78.0 x 52.3 mm (3.1 x 2.1 inches)
ClutchWet multi-disc clutch, Brembo hydraulics
CoolingsystemLiquid
Displacement249.9 ccm (15.25 cubic inches)
Driveline13:48. Primary drive: 26:72. 520 X-ring chain.
EnginedetailsSingle cylinder, four-stroke
EnginetypeReed intake
Gearbox5-speed
IgnitionKeihin EMS
TransmissiontypefinaldriveChain

Other Specifications

ColoroptionsOrange/white/black
ElectricalLithium-ion battery
StarterElectric

Physical Measures & Capacities

Dryweight99.0 kg (218.3 pounds)
Fuelcapacity7.00 litres (1.85 gallons)
Groundclearance370 mm (14.6 inches)
Seatheight950 mm (37.4 inches) If adjustable, lowest setting.

About KTM 250 SX-F 2021

Introducing the 2021 KTM 250 SX-F

The 2021 KTM 250 SX-F stands as a formidable contender in the cross-motocross category, expertly crafted for riders who seek both agility and power on the track. With its striking orange, white, and black color scheme, this motorcycle is not just visually appealing; it embodies KTM’s commitment to performance and innovation. As a lightweight yet robust machine weighing in at just 99.0 kg (218.3 pounds), the 250 SX-F is designed to dominate the motocross scene, offering riders an exhilarating blend of speed and maneuverability.

Engine Performance and Riding Characteristics

At the heart of the KTM 250 SX-F is a potent 249.9 ccm single-cylinder, four-stroke engine that delivers remarkable power and torque for competitive racing. The meticulously engineered bore and stroke of 78.0 x 52.3 mm, combined with liquid cooling and a cutting-edge Keihin EMS ignition system, ensures that this bike remains responsive under all conditions. Riders will appreciate the seamless power delivery through the 5-speed gearbox, allowing for quick shifts and optimal control on the track. With a wet multi-disc clutch featuring Brembo hydraulics, the KTM 250 SX-F offers reliable performance that enhances both acceleration and deceleration. This motorcycle is built to thrive on the racetrack, where precision and speed are paramount.

Key Features and Technology

The 2021 model is not just about raw power; it also boasts advanced technology and features that enhance the riding experience. The central double-cradle-type frame constructed from 25CrMo4 steel provides a solid yet lightweight foundation, contributing to the bike's exceptional handling. The WP XACT-USD front suspension, with 310 mm of travel, paired with a WP XACT Monoshock rear suspension offering 300 mm of travel, ensures that riders can tackle rough terrain with confidence. Furthermore, the electric starter adds convenience, allowing quick restarts without the hassle of kick-starting. The bike’s ground clearance of 370 mm (14.6 inches) ensures that it can navigate obstacles effortlessly, while the adjustable seat height of 950 mm (37.4 inches) caters to a range of rider preferences.

Pros and Cons

Pros:

  1. Lightweight and Agile: At only 99 kg, the 250 SX-F allows for exceptional maneuverability and responsiveness on the track.
  2. Powerful Engine Performance: The single-cylinder, four-stroke engine delivers impressive power, providing quick acceleration and excellent top-end performance.
  3. Advanced Suspension Setup: With WP XACT suspension technology, riders experience superior handling and comfort over various terrains.

Cons:

  1. High Seat Height: The seat height of 950 mm may be challenging for shorter riders, potentially affecting overall comfort and control.
  2. Limited Fuel Capacity: With a fuel tank capacity of just 7 liters (1.85 gallons), frequent refueling may be necessary during long practice sessions or races.
  3. Narrow Focus: Being a dedicated motocross bike, it may not be as versatile for other riding styles, limiting its use outside of competitive environments.

In summary, the 2021 KTM 250 SX-F is a motorcycle that expertly balances power, technology, and performance, making it an excellent choice for serious motocross enthusiasts looking to elevate their riding experience to the next level.

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