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    2025 Harley-Davidson ® Fat Boy® Gray Ghost

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    Horsepower

    101 HP

    Seat Height, Laden

    25.9 in.

    Fuel Economy

    49 mpg

    Engine Torque

    122 ft-lb

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    Fat Boy® Gray Ghost

    At a Glance Born a legend. Back to Raise Hell. Some bikes make history. Others rewrite it. In 1988 and 1989, Willie G. Davidson rode early Fat Boy® prototypes into Daytona, seeking direct feedback from riders and igniting a legacy that would span generations. By 1990, the Fat Boy was born, quickly becoming one of the most legendary models in Harley-Davidson history. Now, 35 years later, the new 2025 Fat Boy® Gray Ghost charges forward, bringing that legacy full circle. Inspired by the riders who made it an icon, this tribute honors the past while the next generation keeps the fire burning.

    “Icons” Medallion

    The Icons medallion on the rear fender speaks to this unique collection and the incredible exclusivity of this motorcycle.

    Serialization

    Limited to just 1,990, each bike is individually numbered to honor the original 1990 Fat Boy®—never to be made again.

    Tank Medallion

    The original and most iconic Fat Boy® tank medallion is back with flat, straight wings in a brushed silver finish.

    New Milwaukee-Eight® 117 Custom V-twin Engine

    A more powerful Milwaukee-Eight® 117 V-twin paired with a classic-style round air cleaner, delivering strong torque for fast launches and effortless highway cruising.

    Retuned Rear Suspension

    Updated monoshock suspension offers a smoother ride when you want comfort and stays firm when it’s time to get aggressive.

    Two-Into-Two Exhaust

    Updated design pays homage to the original Fat Boy’s two-into-two chrome pipes while delivering improved high-flow performance.

    New Ride Modes + Analog Display

    The five-inch tank-mounted analog gauge nods to the original Fat Boy®, now paired with a digital display that shows key ride data, including gear position and selectable Ride Modes (Road, Rain, and Sport), so you can fine-tune your ride like never before.

    New Hand Controls

    Ergonomic, intuitive hand controls give you quick access to Cruise Control and new selectable Ride Modes.

    New PVD Reflection Finish

    Once reserved for details like tank medallions and exhaust shields, PVD now takes over the Fat Boy® Gray Ghost. Its fuel tank and fenders feature this high-tech, chrome-like finish for the first time on a production Harley-Davidson®, creating a head-turning mirror effect under H-D’s signature clear coat.

    Fat Boy® Gray Ghost

    Custom Color$25,399 Security OptionStandard
    Cruise Control OptionStandard California Emissions$200
    Freight$730
    EngineMilwaukee-Eight® 117 Custom Bore4.075 in.
    Stroke4.5 in. Displacement117 cu in
    Compression Ratio10.3:1 Fuel SystemElectronic Sequential Port Fuel Injection (ESPFI)
    Exhaust2-into-2 staggered; catalyst in muffler
    Length93.1 in. Width40 in.
    Seat Height, Laden25.9 in. Seat Height, Unladen26.6 in.
    Ground Clearance4.9 in. Rake30
    Trail4.1 in. Wheelbase65 in.
    Tires, TypeMichelin® Scorcher 11, front and rear Tires, Front Specification160/60R18,70V,BW
    Tires, Rear Specification240/40R18,79V,BW Fuel Capacity5 gal.
    Oil Capacity (w/filter)5 qt. Weight, In Running Order694 lb.
    Engine Torque Testing MethodJ1349 Engine Torque122 ft-lb
    Engine Torque (rpm)3,000 Horsepower101 HP / 75 kW @ 4800 rpm
    Lean Angle, Right (deg.)25.6 Lean Angle, Left (deg.)25.6
    Fuel Economy Testing MethodEstimated City/Hwy Fuel Economy49 mpg
    Primary DriveChain, 34/46 ratio Gear Ratios (overall) 1st9.311
    Gear Ratios (overall) 2nd6.454 Gear Ratios (overall) 3rd4.793
    Gear Ratios (overall) 4th3.882 Gear Ratios (overall) 5th3.307
    Gear Ratios (overall) 6th2.79
    Front ForkDual-bending valve 49 mm telescopic with aluminum fork triple clamps; dual rate spring; "beer can" covers Rear ShocksHidden, free piston, coil-over monoshock; 43mm stroke; hydraulic preload adjustment
    Wheels, Front TypeMachined, Lakester cast aluminum Wheels, Rear TypeMachined, Lakester cast aluminum
    Brakes, Caliper Type4-piston fixed front and 2-piston floating rear Brakes, Rotor TypeFront and rear silver, Split 7-spoke floating rotors
    Lights (as per country regulation), Headlamp, Tail/Stop/Front Signal LightsAll LED headlamp, low and high beam with signature position lighting Gauges5-inch analog speedometer with digital gear, odometer, fuel level, ride modes, heated gear, traction control, ABS, TPMS, cruise control, clock, trip, range and tachometer indication
    Voice Recognition LanguagesPhone functions only Voice Recognition LanguagesTuner/Media/Navigation

    Warning WARNING: Operating, servicing and maintaining a passenger vehicle, an off-highway motor vehicle or a recreational marine vessel can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle or vessel in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle or vessel. For more information go to https://www.p65warnings.ca.gov/products/passenger-vehicle and https://www.p65warnings.ca.gov/products/marine.

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