
KTM 250 SX-F
Key specifications
Overview
### 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
Cons
- Lightweight and Agile: At only 99 kg, the 250 SX-F allows for exceptional maneuverability and responsiveness on the track.
- Powerful Engine Performance: The single-cylinder, four-stroke engine delivers impressive power, providing quick acceleration and excellent top-end performance.
- Advanced Suspension Setup: With WP XACT suspension technology, riders experience superior handling and comfort over various terrains.
- High Seat Height: The seat height of 950 mm may be challenging for shorter riders, potentially affecting overall comfort and control.
- 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.
- Narrow Focus: Being a dedicated motocross bike, it may not be as versatile for other riding styles, limiting its use outside of competitive environments.
Technical details
Source specification data
- Make
- KTM
- Model
- 250 SX-F
- Category
- Cross-motocross
- Starter
- Electric
- Electrical
- Lithium-ion battery
- Color Options
- Orange/white/black
- Clutch
- Wet
- multi-disc clutch,
- Brembo
- hydraulics
- Gearbox
- 5-speed
- Ignition
- Keihin EMS
- Driveline
- Primary
- drive: 26:72. 520
- X
- -ring chain.
- Engine Type
- Reed intake
- Bore X Stroke
- 78.0 x 52.3 mm (3.1 x 2.1 inches)
- Displacement
- 249.9 ccm (15.25 cubic inches)
- Cooling System
- Liquid
- Engine Details
- Single cylinder, four-stroke
- Transmission Type Final Drive
- Chain
- Dry Weight
- 99.0 kg (218.3 pounds)
- Seat Height
- 950 mm (37.4 inches) If adjustable, lowest setting.
- Fuel Capacity
- 7.00 litres (1.85 gallons)
- Ground Clearance
- 370 mm (14.6 inches)
- Rake
- 26.5°
- Wheels
- Wire spoked.
- Rear Tyre
- 110/90-19
- Frame Type
- Central
- double-cradle-type 25
- Mo4
- steel
- Front Tyre
- 80/100-21
- Rear Brakes
- Single disc
- Front Brakes
- Single disc
- Rear Suspension
- WP XACT Monoshock with linkage
- Front Suspension
- WP XACT-USD, Ø 48 mm
- Rear Wheel Travel
- 300 mm (11.8 inches)
- Front Wheel Travel
- 310 mm (12.2 inches)