Key Features of the 2025 Harley-Davidson® Fat Boy®

Milwaukee-Eight® 117 Custom Engine

At the heart of the 2025 Harley-Davidson® Fat Boy® is the newly refined Milwaukee-Eight® 117 Custom V-twin engine. This powerhouse elevates the riding experience, offering robust torque and lively acceleration ideal for both open highways and stop-and-go city streets. The engine’s signature note, unmistakable to enthusiasts, delivers visceral satisfaction with every twist of the throttle. Its advanced engineering results in smooth, reliable power delivery and a mechanical harmony that embodies Harley-Davidson®’s pursuit of both heritage and innovation. Owners will appreciate effortlessly long-mile highway cruising or spirited in-town performance, establishing a new benchmark for cruiser capability.

Premium Paint & Tank Medallion

This year’s Fat Boy® debuts new premium paint options, paired with a freshly designed, bold tank medallion that announces its arrival in style. Harley-Davidson® is renowned for producing some of the world’s finest factory paint finishes, and the 2025 model continues this tradition. The classic rounded gas tank offers a brilliant surface for showcasing the stunning paint, while the medallion provides an elegant, modern touch that ties together the Fat Boy’s® iconic lineage. This attention to detail ensures every Fat Boy® stands out in any gathering and rewards owners with lasting pride of ownership.

Lakester Wheels & Cutback Fenders

The Fat Boy® has always been defined by its broad, muscular stance, and the 2025 model amplifies this trait with 18-inch machined Lakester wheels wrapped in massive tires. These wheels are both functional and stylish, providing a foundation for stable handling and undeniable visual presence. Stout cutback fenders accentuate the powerful silhouette, ensuring the Fat Boy® maintains its commanding look from every angle. For riders near Mason, OH, this road presence is matched by the confidence that comes from its solid footprint and dependable handling dynamics.

Modern Rider Technology

Hidden beneath its classic form, the 2025 Fat Boy® incorporates a suite of rider-focused technologies that enhance both safety and convenience. The new five-inch analog display is paired with an integrated digital screen, offering real-time access to vital information, including selectable Ride Modes. Updated hand controls accommodate integrated tech features like Traction Control and Cruise Control, bringing intuitive fingertip management to essential riding systems. The addition of USB-C charging ensures personal devices stay powered during long rides, supporting navigation, music, and connectivity.

Comfort-Focused Suspension & Ergonomics

The updated monoshock rear suspension delivers enhanced comfort, absorbing road imperfections without sacrificing handling precision. Whether you’re tackling city streets or longer journeys outside of Mason, OH, the refined suspension setup ensures fatigue-free riding and improved composure during aggressive maneuvers. Complementing this is an adjustable brake lever, enabling riders to fine-tune the lever distance for ergonomic optimization, regardless of hand size or gloves. Together, these features create a tailored, rider-first environment that elevates every mile aboard the Fat Boy®.