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Cross - Motocross · 2021

FC 350

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MotoLibrary Score
52 /100 Balanced
Power/Weight
0.58 hp/kg
Engine
350 ccm

2021 Husqvarna FC 350 Technical Analysis & Specification Breakdown

Built around Husqvarna's cross - motocross motorcycle platform, the 2021 Husqvarna FC 350 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 5-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 FC 350 measures 100 kg (220 lbs) dry, translating to a power-to-weight ratio of 0.58 HP/kg (1.72 kg per horsepower). Rider ergonomics and chassis geometry center around a 940 mm (37 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,485 mm (58.5 in) wheelbase engineered for balanced agility and highway composure. The 7-liter (1.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Husqvarna archive, this model family spans 10 indexed model years from 2016 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
0.58 HP/kg (1.72 kg/HP)
Standover Height
940 mm (37 in)
Engine
Displacement 349.7 ccm (21.34 cubic inches)
Engine Type Single cylinder, four-stroke
Power 58.0 HP (42.3 kW))
Bore x Stroke 88.0 x 57.5 mm (3.5 x 2.3 inches)
Fuel System Injection. 44 mm Keihin throttle body
Fuel Control Double Overhead Cams/Twin Cam (DOHC)
Ignition Keihin EMS
Cooling Liquid
Max RPM 13400
Transmission
Gearbox 5-speed
Final Drive Chain (final drive)
Clutch Wet, multi-disc clutch, Magura hydraulics
Chassis
Frame Type Central double-cradle-type 25CrMo4 steel
Rake 26.5°
Front Suspension WP XACT-USD, Ø 48 mm
Front Travel 300 mm (11.8 inches)
Rear Suspension WP XACT Monoshock with linkage
Rear Travel 300 mm (11.8 inches)
Wheelbase 1485 mm (58.5 inches)
Ground Clearance 370 mm (14.6 inches)
Wheels & Brakes
Front Tyre 90/90-21
Rear Tyre 140/90-18
Front Brakes Single disc. Brembo twin-piston floating calliper
Front Brake Ø 260 mm (10.2 inches)
Rear Brakes Single disc. Brembo single-piston floating calliper
Rear Brake Ø 220 mm (8.7 inches)
Dimensions & Weight
Dry Weight 100.0 kg (220.5 pounds)
Power/Weight 0.5800 HP/kg
Seat Height 940 mm (37.0 inches) If adjustable, lowest setting.
Overall Length 2260 mm (89.0 inches)
Fuel Capacity 7.00 litres (1.85 US gallons)
Other
Starter Electric
Color Options White/blue/yellow
Electrical Lightweight Li-Ion 2.0 Ah battery
More from Husqvarna
Buying Checklist

Before You Compare This Bike

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.
Rider Profile

Who Is This Bike For?

🟡
Intermediate
Requires some riding experience.
🌲
Best For
Off-Road & Adventure
📏
Seat Height
94 cm / 37 in
⚖️
Handling
Very lightweight — easy to handle
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