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2025 Husqvarna FC 350

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Specs and Features

ENGINE

TRANSMISSION

5-speed

BATTERY CAPACITY

2 Ah

COOLING

Liquid cooled

STARTER

Kickstarter

STROKE

57.5 mm

BORE

88 mm

CLUTCH

Wet multi-disc DS clutch, Brembo hydraulics

COMPRESSION RATIO

14.6

DISPLACEMENT

349.7 cm³

EMS

Keihin EMS

DESIGN

1-cylinder, 4-stroke engine

FUEL-MIXTURE GENERATION

Keihin EFI, throttle body 44 mm

CHASSIS

WEIGHT (WITHOUT FUEL)

102 kg

TANK CAPACITY (APPROX.)

7.2 l

WHEELBASE

1490 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, Ø 48 mm

GROUND CLEARANCE

336 mm

HANDLEBAR

Pro Taper, Aluminium Ø 28/22 mm

REAR SUSPENSION

WP XACT Monoshock with linkage

SEAT HEIGHT

946 mm

SILENCER

Aluminium

STEERING HEAD ANGLE

63.9 °

REAR SUBFRAME DESIGN

Aluminum-reinforced polyamide

SUSPENSION TRAVEL (FRONT)

305 mm

SUSPENSION TRAVEL (REAR)

293 mm

WHEELS

Spoked wheels with aluminium rims

FC 350

The FC 350 combines the agility of the FC 250 with a power-to-weight ratio to rival the FC 450. For 2025, multiple engine, suspension, and frame updates refine the power and handling to enhance the riding experience for both professional and amateur riders alike. With updates to the WP suspension and rear shock linkage improving handling, the FC 350 remains as one of the most capable motocross bikes on the market. Ergonomic bodywork offers free and easy movement, with new white and blue graphics completing the revisions for 2025.

Engine

The FC 350 engine is designed to deliver maximum performance with all major engine components and shaft arrangements positioned to enhance overall handling. Weighing just 59.9 lb (27.2 kg), the 350 cc 4-stroke engine centralizes mass and aids the anti-squat behavior of the whole chassis. Added service markers on the engine (▲) clearly show where to use washers, making maintenance and service easier than in the past.

Cylinder head

The DOHC cylinder head offers improved durability and serviceability, with diamond-like carbon (DLC) coated finger followers that guarantee minimal friction and optimal performance. These actuate large titanium valves, 36.3 mm for the intake and 29.1 mm for the exhaust, which optimise gas flow for strong, usable power across the rev-range, all the way up to the 13,400 rpm limit. Valve timings work in perfect harmony with the camshaft, which features a bearing bridge design for stiffness and easy serviceability.

Cylinde

A large 88 mm bore and 57.5 mm stroke cylinder is professionally engineered from high-strength aluminium for maximum reliability, and houses the high performance forged bridged-box-type piston from CP. The compression ratio is 14.6:1 for exceptional torque and peak power. Engine response is strong thanks to optimised valve guides and valve shaft diameters that are precisely engineered using computational fluid dynamics (CFD).

Crankshaft

At the centre of the high-output, high-revving FC 350 engine is a crankshaft featuring a plain big end bearing rotating on two force-fitted bearing shells. Ensuring maximum reliability and durability, the crankshaft offers long service intervals of 90 hours.

Crankcases

Designed for optimised mass centralisation, the FC 350 crankcases house all internal components in the perfect position to achieve the ideal centre of gravity. Manufactured using a high-pressure die cast production process, the result is a thin, exceptionally strong wall thickness at the lowest possible weight.

DS clutch

The FC 350 features a durable diaphragm steel (DS) clutch. Engineered from a single piece of CNC-machined steel, the clutch basket uses thin steel liners, which contribute to the compact design of the engine.

Gearbox

Produced by Pankl Racing Systems, the 5-speed gearbox is designed to be extremely light and durable while featuring optimised and proven motocross-specific gear ratios (24:72). Integrated into the shift drum, a Quickshifter sensor can be activated by pressing the QS marked button on the Map Select Switch to further aid smooth upshifting.

2025 Husqvarna FC 350

Specs and Features

FC 350

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