The SOHC cylinder head is incredibly compact and light with the camshaft located as close to the center of gravity as possible, significantly improving handling while its shorter valve timing improves bottom end performance and responsiveness. A new optimized rocker arm design features increased stiffness and reduced inertia on both intake and exhaust.
2022 HUSQVARNA FC 450 ROCKSTAR EDITION
CYLINDER HEAD
FMF EXHAUST SYSTEM
The Factory 4.1 RCT Muffler incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally and features a blue anodized titanium muffler body with a carbon end cap. In addition, it offers a shorter overall length that is less susceptible to damage and moves the muffler closer to the engine to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at FMF's Southern California factory.
PISTON AND CONROD
Replicating the advanced technology used by the Husqvarna motorsport department, a new CP forged box in box piston features a hard anodized compression ring groove with an optimized cam and barrel profile while the new Pankl conrod features a bushing on the piston end reducing friction on the connecting pin resulting in the highest level of performance and reliability.
CARBON FIBRE SUBFRAME
The composite subframe is a design unique to Husqvarna showcasing pioneering technologies and innovation. Using 70% polyamide and 30% carbon fibre, the 2 piece subframe weighs in at just over 1 kg. Apart from being remarkably robust, specific care is taken to deliver the perfect rigidity for optimal handling and rider comfort.
The FC 450 ROCKSTAR EDITION is a motorcycle built to perform at the highest level. Embracing the highly successful collaboration between Rockstar Energy and Husqvarna Motorcycles, this exciting model will form the basis Jason Andersons official Rockstar Energy Husqvarna Factory Racing machine competing in the 2019 AMA Supercross Championship.
PRICE: T.B.A
TECHNICAL SPECS
ENGINE
| Displacement | 449.9 cm³ |
| Design | 1-cylinder, 4-stroke engine |
| Bore | 95 mm |
| Stroke | 63.4 mm |
| Starter | Electric Starter |
| Transmission | 5-speed |
| Clutch | Wet, DDS multi-disc clutch, Magura hydraulics |
| EMS | Keihin EMS |
CHASSIS
| Frame design | Central double-cradle-type 25CrMo4 steel |
| Front suspension | WP XACT-USD, Ø 48 mm |
| Rear suspension | WP shock absorber with linkage |
| Suspension travel (front) | 310 mm |
| Suspension travel (rear) | 300 mm |
| Front brake disc diameter | 260 mm |
| Rear brake disc diameter | 220 mm |
| Chain | 5/8 x 1/4" |
| Steering head angle | 63.9 ° |