2016 Husqvarna® FE 501 S

2016 Husqvarna® FE 501 S

The FE 501 S is the pinnacle of Enduro and now, with the Street legal version, Husqvarna greatly broadens its appeal by offering an unbeatable combination of extreme power, sharp handling and go-anywhere versatility. The most powerful engine in the Husqvarna enduro range features smooth power from idle to rev-limit. The tractable 4-stroke engine can be used with a higher gear thanks to outstanding torque, while the chromoly frame, polyamide subframe, 4CS fork and rear link suspension offer world championship-honed handling and stability.

The single overhead cam 510.4 cc 4-stroke engine of the FE 501 has a bore of 95 mm and a stroke of 72 mm. Lightweight, DLC coated rocker arms actuate two lightweight 38 mm, 32 g titanium intake valves and two 33 mm, 42 g steel exhaust valves. Peak power of 58 hp is easily accessible thanks to the linear power delivery.

On the 4-stroke engines, vibrations are kept to a minimum thanks to a multifunctional counter balance shaft that cancels inertia forces and contributes to the compact layout of the engines. It also drives the water pump and timing chain and contributes to the compact engine design.

The DDS (damped diaphragm steel) clutch system is featured on the FE 501 to achieve smooth clutch action and easy control. A single diaphragm steel pressure plate is used instead of coil springs. It integrates a damping system for better traction and durability. The clutch basket is a single-piece CNC machined steel component that allows the use of thin steel liners and contributes to the narrowness of the engine. For MY16, the FE 450 and FE 501 clutch basket is 80 g lighter and features an optimised pressure plate for better modulation and improved durability.

Class-leading performance, matched with incredible reliability, is achieved thanks to the most advanced crankshaft and conrod technology. All the 4-stroke engines feature crankshafts and conrods produced by industry leader Pankl, ensuring by far the best durability and longest service intervals in the competition enduro segment (135 hours before major engine rebuilds). The plain big end bearing and the force-fitted bearing shells ensure that high performance and durability can be combined.

High-strength steel of the highest quality is laser cut and robot welded to exacting standards by WP Performance Systems, according to precise torsional rigidity, longitudinal flex and weight defined by our R&D department. Finely-tuned torsional rigidity provides sharp handling and stability, while calculated longitudinal flex helps absorb impacts from the terrain, working together with the suspension for better comfort and greater feedback. The lightweight design allows riders to confidently pick faster lines while maintaining race-winning pace over extended periods of time.

A great deal of development effort has been put into designing the aluminium swingarm to reach the incredible targets that our pro riders set. The precisely designed flex of the swingarm allows riders to accurately feel the terrain, enabling them to feed the right amount of power to the rear wheel in order to optimise traction and speed. The single component construction of the aluminium swingarm eliminates welding, providing more reliability, stability and safety, as well as superior quality and consistent behaviour over time compared to other construction processes.

The stylish and modern bodywork has been designed for a perfect fit of man and machine, allowing for total control in all conditions for the most diverse body sizes.