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KTM 250 SX-F
2021Off-road

KTM 250 SX-F

Key specifications

Engine
250 cc
Weight
99 kg
Fuel type
petrol
Fuel capacity
1.9 L
Transmission
5-speed
Seat height
37 mm
Front brakes
Single disc
Rear brakes
Single disc

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)

    Available colors

    Orange/white/black