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Absolute control

• BODYWORK: The contact points of the slim bodywork offer unrestricted movement, which allows riders to perform at their very best for extended periods of time. The high-grip GUTS Racing seat cover is fitted to keep riders firmly in place under hard acceleration. Rounding out the bodywork is the latest Rockstar Energy Husqvarna Factory Racing graphics, which are applied using in-mold technology for a quality and durable finish.
• WP XACT FRONT SUSPENSION: The high-performance WP XACT 48 mm split air forks feature settings to perfectly match the frame and linkage, ensuring the motorcycle delivers the highest level of comfort, balance, and cornering agility. With oil and air bypasses reducing pressure peaks, in combination with a midvalve damping system, the fork provides exceptional feedback from the front wheel. A hydrostop system creates a more progressive damping force in the final 40 mm of travel for improved bottoming resistance on hard landings.
• WP XACT SHOCK ABSORBER: The linkage geometry has been developed to ensure maximum performance from the WP XACT shock and ensures the FC 250 Rockstar Edition is perfectly balanced. Providing 300 mm of rear wheel travel, the shock offers progressive damping, superior energy absorption, and impressive cornering agility.
• FRAME: Lower in weight than what is found on the standard FC 250, the frame offers improved flex characteristics and stability. The frame itself is expertly crafted from hydro-formed, laser-cut, and robot-welded steel and finished with a premium white powder coating for a true race team look. Constructed with specifically calculated parameters of longitudinal and torsional flex, the chassis provides exceptional rider feedback, energy absorption, and straight-line stability. Additionally, a 2K carbon composite skid plate is fitted to protect the frame and engine from hard impacts.
• SUBFRAME: The composite subframe is manufactured using advanced technologies. Constructed with a blend of 60% polyamide and 40% aluminum, the subframe weighs only 3.9 pounds (1.8 kilograms) and is incredibly durable. Designed with the assistance of computational dynamics, specific rigidity has been engineered into the subframe to enhance overall handling and rider comfort.
• SWINGARM: The aluminum swingarm has been designed to ensure optimal stiffness and durability. Further accentuating the flex characteristics from the chassis, a 22 mm rear axle is fitted. Additionally, the chain guide has a smooth profile and offers outstanding durability.

Advanced Electronics

• MAP SELECT SWITCH: The intuitive handlebar-mounted Map Select Switch allows riders to engage both launch and traction control, enable the Quickshifter, and activate one of two engine maps. The easy-to-operate Map Select Switch allows racers to quickly alter the engine characteristics on a race-by-race basis depending on track conditions and rider preference.
• MAPPING: For a personalized power delivery, the FC 250 Rockstar Edition has two built-in engine maps as standard, which can be selected and engaged via the Map Select Switch. Map 1 offers linear, predictable power while Map 2 is more aggressive for a sharper throttle response and a more explosive power output.
• QUICKSHIFTER: The Quickshifter function can be activated via the Map Select Switch and works by interrupting the ignition for a fraction of a second for smooth and precise gear changes, even when the throttle is fully open. To help prevent selecting neutral, the Quickshifter is only active from second gear upwards.
• TRACTION CONTROL: Traction Control on the FC 250 Rockstar Edition is engaged by pressing the ‘TC’ button on the Map Select Switch. Analyzing throttle input from the rider and the rate at which engine RPM increases, if the RPM increases too quickly, the Engine Management System (EMS) registers a loss of grip and reduces the amount of power to the rear wheel to ensure maximum traction. This is a distinct advantage in wet and slippery conditions.
• LAUNCH CONTROL: With the engine at idle, Launch Control is engaged by pressing the Traction Control and Quickshift buttons simultaneously. Both symbols will start flashing to indicate that Launch Control is activated. Designed for race starts, this technology limits the amount of power to the rear wheel, improving traction, and helps to prevent loss of control under hard acceleration. Once a gear change is made, Launch Control deactivates automatically. Quickshift must be activated before Launch Control to use Quickshift during starts.
• ELECTRIC START AND LI-ION BATTERY: Keeping overall weight to a minimum and ensuring fast, reliable starting, the Li-Ion 2.0 Ah battery fitted to the FC 450 Rockstar Edition is approximately 2.2 lb (1 kg) lighter than a conventional lead battery. Additionally, the electric start and engine stop buttons are located inside the same housing for a simplified experience.

Finest Componentry

• FMF TITANIUM EXHAUST: As used by Rockstar Energy Husqvarna Factory Racing in AMA Supercross and Pro Motocross competition, the FMF Factory 4.1 RCT silencer is a championship-winning component. Beautifully crafted with a blue anodized titanium body and finished with a carbon fiber end cap, the silencer is considerably lighter than standard, slightly shorter to centralize mass, and delivers a notable boost to overall performance.
• FACTORY RACING WHEEL SET: Superior craftsmanship at its finest. Black anodized EXCEL Takasago rims laced to black CNC-machined hubs using high-quality spokes create an exceptionally strong pair of wheels. Not only incredibly robust, but the weight savings achieved with the Factory Wheel Set contribute to the overall handling of the FC 250 Rockstar Edition thanks to the reduction in unsprung weight.
• FACTORY RACING TRIPLE CLAMPS: Featuring a unique clamping design for perfect fork alignment and uncompromised suspension performance, the CNC-machined Factory Racing Triple Clamps are fully adjustable to offer true customization. With a choice of two offset positions, 20 mm or 22 mm, as well as the option to install the handlebars with rubber mounts for added comfort, or without for a more precise front-end feel, a personalized set-up can easily be achieved.
• PROTAPER HANDLEBAR: Second to none when it comes to function and style, the ProTaper handlebar is lightweight and incredibly strong. The specifically selected bar bend reduces pressure points on the rider's hands with soft compound ODI lock-on grips offering additional comfort.
• TYRES: Delivering best-in-class performance, the Dunlop GEOMAX MX33 Motocross tires feature a race proven 'block-within-a-block' design for progressive cornering and exceptional grip on a wide variety of racing surfaces.

Make the connection

• RIDE HUSQVARNA: Create and adjust the set-up of your FC 250 Rockstar Edition by pairing the new Connectivity Unit Offroad with the Ride Husqvarna Motorcycles app on your smartphone. Once downloaded, the easy-to-use app offers full control of all engine settings including power delivery, engine braking, and the sensitivity of the Quickshifter. In addition to being able to customize the characteristics of the engine, recommended suspension settings that are based on a variety of racing surfaces, are pre-installed on the app. The Rider section on the Ride Husqvarna Motorcycles app provides vital feedback to the rider post-race by offering full analytics of how the machine is being ridden, as well as recording lap times, which are added to a virtual leaderboard.

Unparalleled performance

• ENGINE: The SOHC, 450 cc engine is the result of advanced engineering techniques and tips the scales at just 59 pounds (26.8 kilograms). Mass-centralization of the key components was key during the design process, as was repositioning the engine closer to the center of gravity for improved handling and agility. This was achieved by tilting the engine 2 degrees backwards, which resulted in the countershaft sprocket being positioned 3 mm lower. The end result is significantly improved anti-squat behavior from the chassis for smoother acceleration on rough terrain.
• CYLINDER HEAD: Featuring a redesigned and incredibly compact SOHC cylinder head that places the camshaft as close as possible to the center of gravity, overall handling and agility is significantly enhanced. Complete with lightweight valves actuated via a rocker arm, the timing is designed to create improved torque and a precise throttle response. Connecting the head to the chassis, parallel frame mounts improve the chassis flex characteristics while retaining unrivalled stability.
• CYLINDER & PISTON: Weighing just 327 grams, the lightweight aluminum cylinder is an engineering masterpiece. Inside the 95 mm bore, the CP bridged-box-type piston features anodized annular grooves for added durability and longer service intervals. For improved peak performance, the compression ratio has been increased to 13.1:1.
• GEARBOX: The Pankl Racing Systems five-speed gearbox maintains its low weight and incredible durability. The Quickshift sensor fitted to the shift drum ensures smoother upshifts, even when the engine is under heavy load. A low-friction coating on the shifting fork further enhances positive gear changes.
• DDS CLUTCH: The FC 450 Rockstar Edition is equipped with a DDS (Dampened Diaphragm Steel) clutch. Unique in design, the exclusive characteristics of this system include a single diaphragm steel pressure plate, instead of traditional coil springs, with an integrated damping system for better traction and durability. Complete with a CNC-machined steel clutch basket adapted for the five-speed transmission, the single-piece component allows the use of thin steel liners and contributes to the compact design of the engine.
• BREMBO BRAKES: Brembo brakes deliver class-leading braking performance. With a 260 mm floating front disc, protected by a 2K carbon composite front disc protector, and a 220 mm wave rear disc, the incredible stopping power created allows for late braking, which leads to faster lap times. A new, stronger rear brake pedal tip is less susceptible to damage for continued control.