2025 KTM 250 SX

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2025 KTM 250 SX

Think "unbridled 2-stroke performance" and you'll probably see a KTM 250 SX in your mind's eye. For good reason too - there isn't much to compare it to. The 2025 KTM 250 SX takes that even further with a slew of fresh chassis enhancements, making it even more of a legend and one deserving of the record books.

Features may include:

BEFORE THE GATE

CLICK INTO ACTION
  • 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.

NO JETS - ONLY ROCKET SHIPS
  • Electronic Fuel Injection

Pre-mix gets a remix across the 2-stroke KTM SX range, with Electronic Fuel Injection setting the standard. Now there's no more fiddly jetting setup pre-race, And thanks to the Keihin EFI and reed valve case design, you can be guaranteed of laying down optimal power at any altitude, all of the time.

CHUGGA CHUGGA, RING DING DING!
  • Electric Start

Picture this; You're 7 laps into an absolute ripper of a race. You miss your line and end up stalling in a deep rut. But you don't sweat it. All you do is press the starter button and you blast off again to take the final flag. This is the reality on the 2025 KTM 250 SX. Thanks to a 12,8V 2 Ah lithium ion battery is placed under the rider's seat, a high-quality stator & pickup and super robust design, the only thing you'll be kicking - is ass.

START STRONG

SMOOTHER POWER DELIVERY
  • EFI + Power Valve

With EFI comes great rideability. Along with the electronic fuel injection and a power valve on the KTM 250 SX, allowing for more usable power throughout the rev range. Smoother power means better traction. Better traction means holeshot heaven!

UNMATCHED PERFORMANCE
  • Performance

The KTM 250 SX has always represented the very best of unsurpassed power and lightweight construction. The simplicity and low maintenance cost of the 2-stroke motor have made it a favorite amongst motocross riders for generations. For 2025, The KTM 250 SX enters the race paddock with an overall engine weight of only 23,9 kg, setting the 250 SX engine as the benchmark in the highly competitive 250 cc class.

PICK YOUR POWER
  • Selectable Maps

The 2025 KTM 250 SX features a map select switch allowing the racer to switch between 2 engine maps. Map 1 provides a linear, predictable power delivery, while Map 2 gives it the full beans with crisp, explosive power output.

CALM UNDER FIRE

SLEEKER FOR YOU TO SCRUB CLEANER
  • 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.

FLUID RIDER MOTION
  • Ergonomics

Upgraded tank shrouds using bi-compound plastics channel air towards the radiators more efficiently, while a new fuel tank roll, makes for a tighter, more secure fitment, reducing the chance of frame scrubbing and dramatically improving durability.

  • 2025
  • KTM
  • 250 SX
  • Base
  • Off-Road
  • 1-cylinder, 2-stroke engine
  • 249 cm³
  • 66.4 mm
  • 72 mm
  • Electric starter
  • Vitesco Technologies EMS
  • Keihin EFI, throttle body 39 mm
  • 5-speed
  • Wet, DDS multi-disc clutch, Brembo hydraulics
  • Head Angle: 63.9 °
  • Neken, aluminium Ø 28/22 mm
  • 520, Non-sealed
  • Central double-cradle-type 25CrMo4 steel | Rear Subframe Design: Aluminum-reinforced polyamide
  • WP XACT-USD (AER), Ø 48 mm
  • WP XACT Monoshock with linkage
  • 310 mm
  • 300 mm
  • 260 mm
  • 220 mm
  • Disc brake
  • Disc brake
  • Spoked wheels with aluminium rims
  • 354 mm
  • 958 mm
  • 1493 mm
  • Tank: 7.2 l
  • Without Fuel: 99.4 kg
  •  Calculation is estimate only.
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  •  Quotes are estimates only, actual rate may vary slightly.
  •  One-Way toll road charges will be the responsibility of the customer.
  •  Additional fees and/or duties may apply to International and non-continental US shipping requests.
  • $9,349.00
  • Hillsboro, Oregon
  • New
  • 230168
  • 2025
  • KTM
  • 250 SX
  • VBKSXM236SM230168
  • ORANGE
  • 1-cylinder, 2-stroke engine
  • 5-speed
  • Available
Advertised pricing excludes applicable taxes title and licensing, dealer set up, destination, reconditioning and are subject to change without notice. Pricing may exclude any added parts, accessories or installation unless otherwise noted. Sale prices include all applicable offers. Not all options listed available on pre-owned models. Contact dealer for details.