2025 Fat Boy™
DESIGN
New premium paint options and tank medallion embolden the design that has defined the Fat Boy for generations.
Paint
The best factory paint in the world covers a classic rounded gas tank that is finished with a new, bold tank medallion.
Wheels
457mm machined Lakester wheels with massive tires are covered by cutback fenders for powerful stance and commanding presence.
Headlamp Nacelle
The iconic Fat Boy headlight nacelle shines in bright polished chrome, accentuating the large and muscular look of the front end.
PERFORMANCE
The 2025 Fat Boy is more fun than ever before with a new, high-performance Milwaukee-Eight® 117 Custom engine, a high-flowing, two-into-two exhaust system, and improved suspension.
Milwaukee-Eight® 117 Custom Engine
Milwaukee-Eight® 117 Custom V-twin engine delivers sound, feel, and all the power you need for effortless long-mile highway cruising or exhilarating in-town performance.
Rear Suspension
Updated monoshock suspension is more comfortable while still firm and composed during aggressive riding.
Two-into-Two Exhaust
A key feature of Fat Boy design, the two-into-two exhaust has been updated for high-flowing performance and a rich V-twin sound.
INNOVATION
Classic form hides a suite of modern tech made to add comfort and convenience, but never take attention away from the ride.
127mm Analog Display
Analog gauge is clear and easy to read, while an integrated digital display shows key information like Ride Modes.
Hand Controls
Updated hand controls accommodate Cruise Control and newly integrated tech features, including Ride Modes and Traction Control.
USB-C Charging
USB-C charging keeps your devices powered, so you can ride farther while using navigation, listening to music, and staying connected through your Bluetooth® headset.
Adjustable Brake Lever
Tune lever distance to maximize braking efficiency regardless of rider reach.
Gallery
