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2025 Husqvarna FS 450

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Specs and Features

ENGINE

PRIMARY DRIVE

29:72

TRANSMISSION

5-speed

BATTERY CAPACITY

2 Ah

COOLING

Liquid cooled

SECONDARY GEAR RATIO

14:46

STARTER

Electric starter

STROKE

63.4 mm

BORE

95 mm

CLUTCH

SUTER anti-hopping, Brembo hydraulics

COMPRESSION RATIO

DISPLACEMENT

449.9 cm³

EMS

Keihin EMS

FUEL-MIXTURE GENERATION

Keihin EFI, throttle body 44 mm

CHASSIS

WEIGHT (WITHOUT FUEL)

108.9 kg

TANK CAPACITY (APPROX.)

7.2 l

WHEELBASE

1.472 mm

FRONT BRAKE DISC DIAMETER

310 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 Closed Cartridge Ø 48 mm

GROUND CLEARANCE

281 mm

HANDLEBAR

Pro Taper, Aluminium Ø 28/22 mm

REAR SUSPENSION

WP XACT Monoshock with linkage

SEAT HEIGHT

894 mm

SILENCER

Aluminium

STEERING HEAD ANGLE

63.9 °

REAR SUBFRAME DESIGN

Aluminum-reinforced polyamide

SUSPENSION TRAVEL (FRONT)

283 mm

SUSPENSION TRAVEL (REAR)

266 mm

TYRE DIMENSIONS (FRONT/REAR)

125/75; 165/55

WHEELS

16.5 x 3.5"; 17 x 5"

FS 450 2025

Significant technical updates for 2025 ensure the FS 450 easily maintains its position as the leading purpose-built Supermoto machine on the market. The modern machine is powered by a versatile SOHC engine that creates a broad spread of controllable power, which can then be customised by engaging various electronic rider aids including launch control, traction control, and a choice of two engine maps. A revised frame and new engine mounts combine to deliver a calculated level of chassis flex for improved handling with high-speed stability assured. WP XACT forks are fitted to this competition-focused motorcycle for the first time to boost comfort and agility while the new footrests, linkage seals, air intake, radiator shrouds, and a revised swingarm ensure the riding experience of the FS 450 is taken to an even higher level for 2025.

Engine

The FS 450 engine is engineered for peak performance, benefiting from cutting-edge design techniques. Weighing just 26.8 kilograms, its lightweight construction plays a pivotal role in improving overall agility and responsiveness. Positioned strategically to centralize mass, the engine enhances handling by promoting better balance and maneuverability, while also significantly boosting anti-squat behavior in the chassis.Furthermore, servicing the FS 450 engine is notably easier compared to previous models, thanks to integrated service markers on the engine cases. These markers streamline maintenance tasks by clearly indicating service points and intervals, ensuring smoother upkeep and prolonged optimal performance.

Cylinder head

The SOHC cylinder head is incredibly compact with the camshaft positioned as close to the centre of gravity as possible to aid handling and agility. A durable, fine-punched cam chain runs on low-friction chain guides for optimal efficiency and reliability with a single oil spray jet guaranteeing effective cooling. The lightweight valves are actuated via a rocker arm and feature timing specifically designed to deliver precise levels of torque and throttle response.

Cylinder & piston

The lightweight aluminium cylinder is undoubtedly an engineering masterpiece and features a 95 mm bore with a 63.4 mm stroke. Inside, the CP bridged-box-type piston features anodised annular grooves, adding durability and longer service intervals at a weight of just 327 g. The compression ratio is 13.6:1 for incredible peak power, which ensures the FS 450 remains firmly at the front of the pack.

2025 Husqvarna FS 450

Specs and Features

FS 450 2025

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