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2025 KTM 250 SX-F

Specs and Features

ENGINE
TRANSMISSION
5-speed
STARTER
Electric starter
STROKE
48.5 mm
BORE
81 mm
CLUTCH
Wet multi-disc DS clutch, Brembo hydraulics
COMPRESSION RATIO
14.5
DISPLACEMENT
249.9 cmĀ³
EMS
Keihin EMS
DESIGN
1-cylinder, 4-stroke engine
FUEL-MIXTURE GENERATION
Keihin EFI, throttle body 44 mm
CHASSIS
WEIGHT (WITHOUT FUEL)
101 kg
TANK CAPACITY (APPROX.)
7.2 l
WHEELBASE
1493 mm
FRONT BRAKE DISC DIAMETER
260 mm
REAR BRAKE DISC DIAMETER
220 mm
FRONT BRAKE
Disc brake
REAR BRAKE
Disc brake
CHAIN
520, Non-sealed
FRAME DESIGN
Central double-cradle-type 25CrMo4 steel
FRONT SUSPENSION
WP XACT-USD (AER), Ƙ 48 mm
GROUND CLEARANCE
343 mm
HANDLEBAR
Neken, aluminium Ƙ 28/22 mm
REAR SUSPENSION
WP XACT Monoshock with linkage
SEAT HEIGHT
958 mm
SILENCER
Aluminium
STEERING HEAD ANGLE
63.9 Ā°
REAR SUBFRAME DESIGN
Aluminum-reinforced polyamide
SUSPENSION TRAVEL (FRONT)
310 mm
SUSPENSION TRAVEL (REAR)
300 mm
WHEELS
Spoked wheels with aluminium rims

2025 KTM 250 SX-F

The 2025 KTM 250 SX-F is a truly user-friendly package engineered to satisfy all riders, from novice to pro. But don't for one second think that makes it compromised - it is undisputedly READY TO RACE at any level. Delivering a power punch, and an optional electronic uppercut in reserve, the 2025 KTM 250 SX-F is ready to take on the 250 cc class and deliver a knock-out.

Easy Suspension Adjustment
As always, the suspension boasts an easy tool-free setup at both ends, ensuring you chase down the podium in total control. On the rear, a hand-adjustable dual compression control allows riders to adjust high- and low-speed settings in a matter of seconds. The forks on the front end are also easily adjusted thanks to hand-adjustable clickers on the bottom of the fork shoe and top cap.
More Usable Power
Weighing in at a lightweight 57.5 lb (26.11 kg), this mid-weight powerhouse churns out a remarkable payload, making it the undisputed performance leader in the 250 cc 4-stroke class. The engine in the 2025 KTM 250 SX-F has also been carefully designed and tuned to best suit the performance and handling characteristics of the overall package, bumping up power in the mid-range and the top-end.
Absolute Control
Get ready for a full-on berm assault. The 2025 KTM SX and SX-F machines have received major frame updates directly from Factory Racing efforts. For starters, the frame area around the rear shock mount has been updated and made more streamlined, with new engine mounts and cut-outs for improved chassis flex. The front area of the frame is also updated. with a different wall thickness than the previous model year, with renewed engine mounts. This adds up to a 300g weight saving and improved flex for better cornering.
Updated Suspension Settings
For 2025, the KTM SX and SX-F range has given the WP XACT AER fork and WP XACT rear shock an update. This means you'll be lining up at the starting gate with re-tuned settings, reduced weight, improved weight distribution, and an increase in overall response.
Connectivity Unit Offroad
Available as a PowerPart on the KTM SX-F range, the Connectivity Unit Offroad - or CUO for short - offers a wide range of functionalities and adjustability options via the KTMconnect app. The CUO gives you a new insight into your riding, allows you to alter your engine behavior, and even provides you with optimized suspension settings based on individual preferences and riding conditions. Welcome to the next level moto.
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