
KTM 250 SX
Key specifications
Overview
Introducing the 2021 KTM 250 SX, a spirited contender in the cross-motocross arena that perfectly balances performance and agility. Known for its robust engineering and competitive edge, this model is tailored for riders who demand precision and power on the track. Priced at an MSRP of $8,399, the 250 SX is positioned as an excellent entry point into the world of competitive motocross, providing the ideal blend of lightweight construction and high-performance capabilities. At the heart of the KTM 250 SX lies a potent 249cc single-cylinder, two-stroke engine that delivers an exhilarating ride. With a bore and stroke of 66.4 x 72.0 mm, this powerplant is designed for maximum responsiveness and torque, allowing riders to unleash their full potential. The Mikuni TMX carburetor fuels this beast, ensuring a crisp throttle response, while the Kokusan EMS ignition system guarantees reliable starting and performance at all revs. The 5-speed gearbox, coupled with a wet multi-disc clutch, provides seamless gear transitions, making it an absolute joy to ride. Weighing in at just 87.5 kg (192.9 pounds), the 250 SX offers remarkable maneuverability, allowing riders to tackle tight corners and aggressive jumps with confidence. The 2021 KTM 250 SX is not just about raw power; it also boasts an impressive array of features and technology that enhance the overall riding experience. The chrome-molybdenum steel central-tube frame provides exceptional strength while maintaining a lightweight profile, contributing to the bike's agile handling. The WP XACT suspension system, with 310 mm of front travel and 300 mm of rear travel, absorbs bumps and enhances stability, allowing riders to tackle rough terrains effortlessly. With its adjustable seat height of 850 mm (33.5 inches), the 250 SX caters to various rider preferences, ensuring a comfortable and custom fit. **
Pros
- Lightweight and Agile: At only 87.5 kg, the 250 SX offers exceptional maneuverability and responsiveness on the track.
- Powerful Engine: The 249cc two-stroke engine delivers impressive acceleration and performance, ideal for competitive racing.
- Advanced Suspension System: With top-tier WP XACT suspension, riders benefit from enhanced comfort and stability over rough terrain.
Cons
- Limited Fuel Capacity: With a 7.50-litre tank, riders may find themselves refueling more often during extended rides.
- Kick Start Only: The absence of an electric start might be a drawback for some riders, especially in challenging conditions.
- Race-Focused Design: While it excels in motocross, its performance-oriented nature may not be suitable for all-around street or trail use.
Technical details
Source specification data
- Make
- KTM
- Model
- 250 SX
- Price
- S
- $ 8399.
- P
- depends on country, taxes, accessories, etc.
- Category
- Cross-motocross
- Starter
- Kick
- Color Options
- Orange/white/black
- Clutch
- Wet
- ,
- S
- multi-disc clutch,
- Brembo
- hydraulics
- Gearbox
- 5-speed
- Ignition
- Kokusan EMS.
- Driveline
- Primary
- drive: 26:72. 520
- X
- -ring chain.
- Engine Type
- Reed intake
- Fuel System
- Carburettor. Mikuni TMX.
- Bore X Stroke
- 66.4 x 72.0 mm (2.6 x 2.8 inches)
- Displacement
- 249.0 ccm (15.19 cubic inches)
- Cooling System
- Liquid
- Engine Details
- Single cylinder, two-stroke
- Transmission Type Final Drive
- Chain
- Dry Weight
- 87.5 kg (192.9 pounds)
- Seat Height
- 850 mm (33.5 inches) If adjustable, lowest setting.
- Fuel Capacity
- 7.50 litres (1.98 gallons)
- Ground Clearance
- 375 mm (14.8 inches)
- Rake
- 26.5°
- Wheels
- C
- machined hubs.
- Excel
- rims.
- Wire
- spoked.
- X
- 3
- S
- tires.
- Rear Tyre
- 110/90-19
- Frame Type
- Chrome-molybdenum steel central-tube
- 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)