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2025 KTM 450 SX-F

2025 KTM 450 SX-F

This dirt bike is fast, responsive, and built to perform. The 2025 KTM 450 SX-F is race-bred and ready to handle New Zealands toughest tracks. Designed with input from championship-winning riders, it brings top-level power and control to your weekend motos or serious competition.
$17,799.00 NZD
$17,799.00 NZD
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The 2025 KTM 450 SX-F is powered by a 449.9 cc SOHC, liquid-cooled, four-stroke single-cylinder engine. It delivers impressive performance with a compression ratio of 13.6:1 and a bore x stroke of 95 mm x 63.4 mm. The engine is equipped with a Keihin EFI system featuring a 44 mm throttle body, ensuring optimal fuel delivery and throttle response. The Pankl Racing 5-speed transmission, coupled with a wet multi-disc DDS clutch and Brembo hydraulic actuation, provides smooth and precise gear shifts. This combination results in a powerful and responsive engine suitable for competitive motocross racing.

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The KTM 450 SX-F features a central double-cradle chromoly steel frame that offers a balance of rigidity and flexibility, contributing to precise handling and stability. The front suspension consists of a WP XACT-USD AER 48 mm fork with 310 mm of travel, providing excellent damping and responsiveness. At the rear, the WP XACT shock absorber offers 300 mm of travel, ensuring consistent performance over various terrains. The bike's geometry and suspension setup are designed to handle the demands of motocross tracks, offering riders confidence and control.

The 2025 KTM 450 SX-F is equipped with advanced technology to enhance the riding experience. The map select switch allows riders to choose between two engine maps, adjusting the power delivery to suit different track conditions. Traction control can be toggled on or off from the same switch, providing added control in varying conditions. The bike's ergonomics are designed for optimal rider comfort and control, featuring a refined rider triangle, flat seat profile, and polyamide-reinforced aluminum subframe. These features ensure that riders can maintain control and comfort during intense riding sessions.

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Technical Specifications - 2025 KTM 450 SX-F
Engine
Design 1-Cylinder, 4-Stroke Engine
Displacement 449.9 cm³
Transmission 5-Speed
Fuel-Mixture Generation Keihin EFI, Throttle Body 44 mm
EMS Keihin EMS
Clutch Primary Drive Teeth 72
Clutch Wet DDS Multi-Disc Clutch, Brembo Hydraulics
Engine Cylinder Single Cylinder
Chassis
Frame Design Central Double-Cradle-Type 25CrMo4 Steel
Front Brake Disc Brake
Rear Brake Disc Brake
Rear Subframe Design Aluminum-Reinforced Polyamide
Chain 520, Non-Sealed
Suspension
Front Suspension WP XACT-USD (AER), 48 mm
Rear Suspension WP XACT Monoshock with Linkage
Suspension Travel (Front) 310 mm
Suspension Travel (Rear) 300 mm
Dimensions
Seat Height 958 mm
Ground Clearance 343 mm
Tank Capacity (Approx.) 7.2 L
Weight (Without Fuel) 102.6 kg