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2025 Husqvarna FE 350s Heritage

Specs and Features

ENGINE
Primary drive
24:72
Transmission
6-speed
Battery capacity
2 Ah
Cooling
Liquid cooled
Secondary gear ratio
14:48
Starter
Electric starter
Stroke
57.5 mm
Bore
88 mm
Clutch
Wet, DDS multi-disc clutch, Brembo hydraulics
Compression ratio
13.7
Displacement
349.7 cm³
EMS
Keihin EMS
Design
1-cylinder, 4-stroke engine
Fuel-mixture generation
Keihin EFI, throttle body 42 mm
CHASSIS
Weight (without fuel)
115.2 kg
Tank capacity (approx.)
8.0 l
Wheelbase
1.489 mm
Front brake disc diameter
260 mm
Rear brake disc diameter
220 mm
Front brake
Disc brake
Rear brake
Disc brake
Chain
520 X-Ring
Frame design
Central double-cradle-type 25CrMo4 steel
Front suspension
WP XACT-USD, Ƙ 48 mm
Ground clearance
343 mm
Handlebar
Pro Taper, Aluminium Ƙ 28/22 mm
Rear suspension
WP XACT Monoshock with linkage
Seat height
952 mm
Silencer
Aluminium
Steering head angle
63.9 °
Rear subframe design
Aluminum-reinforced polyamide
Suspension travel (front)
300 mm
Suspension travel (rear)
300 mm
Tyre dimensions (front/rear)
90/90; 140/90
Wheels
1.60 x 21"; 2.15 x 18"
Wheelbase
1.489 ± 10 mm

FE 350s Heritage 2025

Striking a competitive balance between power and handling, the FE 350 is undoubtedly the most versatile enduro machine on the market. Powered by a DOHC engine, which is positioned inside the frame to centralise mass, the overall handling and performance of the FE 350 is unrivalled. Complete with new, Swedish-inspired graphics and assembled with premium components throughout, the FE 350 is the model of choice for many enduro competitors worldwide.

Engine
The FE 350s engine is designed to deliver maximum performance. Tilted two degrees backwards to further centralize mass, all major engine components and shaft arrangements are positioned to enhance overall handling and improve the anti-squat behavior from the chassis. Weighing just 62.1 lb (28.2) kilograms, the 350 cc 4-stroke engine is incredibly efficient.
Cylinder head
The FE 350s features a DOHC cylinder head engineered to deliver performance and reliability. Internally, the layout features a new camshaft with low-friction DLC coated finger followers ensuring minimal friction. Together with the lightweight titanium valves - 36.3 mm intake and 29.1 mm exhaust - strong and controllable power is delivered throughout the rev-range.
Cylinder and piston
An 88 mm bore cylinder and forged bridged-box-type CP piston combine to create a compression ratio of 13.7:1. As a result, the low oscillating mass delivers strong and controllable power. High strength aluminium is used to manufacture both the cylinder and piston, with both components professionally engineered for outstanding performance and reliability.
Frame
The proven chromium molybdenum steel frame is refined for 2024. A new shock mounting, which is no longer connected to the main tube, significantly improves the anti-squat behavior of the chassis. With optimized wall thickness in high-stress areas improving reliability, the frame continues to offer advanced geometries and flex characteristics aimed at providing unparalleled rider feedback, energy absorption, and straight-line stability. The frame is complete with a premium metallic blue powder coating with redesigned standard frame protectors offering improved grip in all conditions. Additionally, the redesigned and robust skid plate offers exceptional frame and engine protection.
Hybrid subframe
Made from 60% polyamide and 40% aluminum, the new subframe offers exceptional strength and durability at a low overall weight of just 3.9 lb (1.8 kg). The lower subframe spars and frame mounts are manufactured from cast aluminum for significantly improved reliability, with the upper section made from injection-molded polyamide to enable specific flex characteristics.
Swingarm
The new hollow die-cast aluminium swingarm is manufactured from a single piece of aluminium using an improved casting process for optimal stiffness and a 190 g weight reduction. In order to optimise and match the flex characteristics of the new frame, a new 22 mm rear axle is fitted. Additionally, the chain guard and chain slider have been completely redesigned for improved durability with the chain guard made with a rounder profile to prevent catching on external objects.
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