MotorcyclesMotocross

2025 KTM 300 SX

In Stock! $14,865 Ride Away

When it comes to power-to-weight ratios, the KTM 300 SX writes the rule book.

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Overview

MOTORCYCLES KTM MOTOCROSS MY25 250SX 579812_MY25_KTM-250 SX-90-right_Studio_03_STUDIO

IT'S HUNTING SEASON

Now with learnings taken directly from the KTM Factory Racing teams, and a care package labeled "Go get 'em!", the 2025 KTM 300 SX is engineered for one task alone - to lead from the front.

Performance

The new 300 cc 2-stoke powerhouse brings a new choice of weapon into the MX Open category and provides more choice for racers looking for maximum power at the least

EFI + Power Valve

With EFI comes great rideability. Along with electronic fuel injection is an electronic 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!

Selectable Maps

The 2025 KTM 250 SX features a map selecting switch allowing the racer to switch between 2 engine maps. The White Map (Map 1) provides linear, predictable power delivery ideally suited to attach hard-packed dirt with a leaner air-fuel mixture. Alternatively, the Green Map (Map 2) is tuned for loose, thick sandy conditions with a richer mix.

Electric Start

Picture this; You're 78 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.

Technical/Specifications

Technical Specifications

Engine

Displacement

249 cm³

Design

1-cylinder, 2-stroke engine

Bore

66.4 mm

Stroke

72 mm

Starter

Electric starter

Transmission

5-speed with Wet multi-disc DS clutch, Brembo hydraulics

Suspension

Front Suspension

WP XACT-USD (AER), Ø 48 mm

Rear Suspension

WP XACT Monoshock with linkage

Suspension Travel

310mm (F) 300mm (R)

Chassis

Front Brake

Disc Brake

Rear Brake

Disc Brake

Ground Clearance

354 mm

Seat Height

958 mm

Tank Capacity

7.2 l

Dry Weight

99.4 kg

Overview

Gallery

Technical / Specifications

PDFs

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We offer specialised and professional servicing

Our factory trained technicians understand how valuable your time is and ensure top-level maintenance and repairs for your valued vehicle, along with a variety of specialised work.

Learn about our Workshop

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MotorcyclesMotocross

2025 KTM 300 SX

Overview

IT'S HUNTING SEASON

Performance

EFI + Power Valve

Selectable Maps

Electric Start

Technical/Specifications

Technical Specifications

Engine

Suspension

Chassis

Overview

Gallery

Gallery

Technical / Specifications

PDFs

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