2025 Husqvarna FX 350 Heritage Technical Analysis & Specification Breakdown
Engineered by Husqvarna for the enduro - offroad motorcycle segment, the 2025 Husqvarna FX 350 Heritage utilizes a 349.7 cc (21.3 cu in) liquid-cooled single cylinder, four-stroke layout. In factory specification, peak output is rated at 58 HP (42.3 kW), transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 165.9 HP per liter, the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.
On the scales, the FX 350 Heritage measures 104.4 kg (230 lbs) dry, translating to a power-to-weight ratio of 0.56 HP/kg (1.8 kg per horsepower). Rider ergonomics and chassis geometry center around a 954 mm (37.6 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,493 mm (58.8 in) wheelbase engineered for balanced agility and highway composure. The 8.5-liter (2.2 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Husqvarna archive, this model family spans 2 indexed model years from 2023 to 2025, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
165.9 HP/L
Power-to-Weight
0.56 HP/kg (1.8 kg/HP)
Standover Height
954 mm (37.6 in)
Engine
Displacement349.7 ccm (21.34 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsPolished camshafts and DLC coated finger followers
Power58.0 HP (42.3 kW))
Compression11.1:1
Bore x Stroke88.0 x 57.5 mm (3.5 x 2.3 inches)
Valves/Cylinder4
Fuel SystemInjection. Keihin EFI, throttle body 44 mm
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
