Model Details

2025 Harley-Davidson Fat Boy®

Whiskey Fire / Vivid BlackNew Motorcycles
Available at: Bumpus Harley-Davidson of Memphis

MSRP

$23,449

2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 1
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2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 11
2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 12
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2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 1
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2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 11
2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 12
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A heavyweight knockout.
Adored since day one, the singular Fat Boy stands out with bright chrome and bold finishes, and now it is better than ever with a big Milwaukee-Eight® 117 Custom V-twin engine
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2025 Harley-Davidson Fat Boy®

Condition
New
Category
Motorcycles
Model Type
Cruiser
Model Code
FLFB
Color
Whiskey Fire / Vivid Black

Design

  • Premium paint options and tank medallion embolden the design that has defined the Fat Boy for generations.

Features

  • MILWAUKEE-EIGHT® 117 CUSTOM ENGINE: Massive off-the-line torque and effortless highway-cruising horsepower.
  • LED LIGHTING: Classic nacelle styling with updated LED lighting.
  • DUAL 18-INCH MACHINED WHEELS: 18-inch machined wheels give the Fat Boy its signature stance.
  • INTAKE: Large touring intake increases airflow and engine performance.
  • REAR WHEEL: Iconic fat tire style and wide contact patch for steady acceleration.

Innovation

  • Classic form hides a suite of modern tech made to add comfort and convenience, but never take attention away from the ride.

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.

Pricing

  • California customers are subject to a California Emissions fee; see Dealer for details - $200

General Information

Manufacturer
Harley-Davidson
Model Year
2025
Model
Fat Boy®
Model Code
FLFB
Color
Whiskey Fire / Vivid Black

Brakes/Wheels/Tires

Brakes

Front Caliper Type - 4-piston fixed

Rear Caliper Type - 2-piston floating

Front / Rear Rotor Type - Silver, Split 7-spoke floating

Front Diameter - 11.8 in. (300 mm)

Rear Diameter - 11.5 in. (292 mm)

Front Thickness - 0.2 in. (5 mm)

Rear Thickness - 0.23 in. (5.8 mm)

Anti-Lock Braking System (ABS)

Wheels

Front / Rear - Machined, Lakester cast aluminum3

Front / Rear Diameter - 18 in. (457 mm)

Front Width - 4.5 in. (114 mm)

Rear Width - 8 in. (203 mm)

Tires

Front / Rear Type - Michelin® Scorcher 11

Front - 160 / 60R18, 70V, BW

Rear - 240 / 40R18, 79V, BW

Front / Rear Model - Scorcher 11

Tire Pressure Monitoring System (TPMS)

Dimensions

Length
93.1 in. (2,365 mm)
Height
Overall - 44.1 in. (1,120 mm)
Width
40 in. (965 mm)
Weight

As Shipped - 668 lb. (303 kg)

In Running Order - 694 lb. (315 kg)

Gross Vehicle Rating - 1,175 lb. (533 kg)

Gross Axle Rating, Front - 450 lb. (204 kg)

Gross Axle Rating, Rear - 760 lb. (345 kg)

Ground Clearance

Static - 4.9 in. (125 mm)

Lean Angle Testing Method - J1168

Right / Left Lean Angle - 25.6°

Wheelbase
65 in. (1,650 mm)
Seat Height

Laden - 25.9 in. (658 mm)8

Unladen - 26.6 in. (675 mm)

Drivetrain

Transmission

6-Speed Cruise Drive®

Capacity - 1 qt. (0.95 l)

Primary Drive
Chain, 34/46 ratio
Final Drive
Belt, 32/66 ratio
Chain
Primary Case Capacity - 1.43 qt. (1.35 l)

Electrical

Battery

Sealed, maintenance-free, absorbed glass mat (AGM), 12V, 17.5Ah, 310 CCA at 0°F

Charging - Three-phase, 48A system (364W @13V, 900 rpm, 624W max power @ 13V, 2,000 rpm)

Instrumentation
Gauges - 5 in. analog speedometer with digital gear, odometer, fuel level, ride modes, heated gear, traction control, ABS, TPMS, cruise control, clock, trip, range and tachometer indication
Lighting

(As per country regulation)2

Headlamp - All LED, low beam, high beam and signature position lamp

Tail / Stop - Bullet-style

Tail / Stop / Front Signal Lights - Bullet-style, LED turn signals, LED Bullet Turn Signals

Electrical System
Electric Power Outlet - USB C-Type, Output 5V at 2.4A

Engine

Engine

Milwaukee-Eight® 117 Custom7

Valves - Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, four valves per cylinder

Air Cleaner - Helix style A / C

Horsepower
104 hp (77 kW) @ 4,800 rpm
Displacement
1,923 cc (117 ci)
Bore x Stroke
4.075 x 4.5 in. (103.5 x 114.3 mm)
Torque

126 ft. lb. (171 Nm)5 @ 3,000 rpm

Testing method - J1349

Drag-torque Slip Control System (DSCS), Cornering Drag-Torque Slip Control System (C-DSCS)

Compression Ratio
10.3:1
Gear Ratio

Overall

1st - 9.311

2nd - 6.454

3rd - 4.793

4th - 3.882

5th - 3.307

6th - 2.79

Clutch
Mechanical, 10 plate wet, assist and conventional
Fuel System
Electronic Sequential Port Fuel Injection (ESPFI)6
Exhaust
2-into-2 staggered, catalyst in muffler
Starting
1.6 kW electric with solenoid shift starter motor engagement
Lubrication
System - Pressurized, dry-sump with oil cooler
Fuel Capacity

5 gal. (18.9 l)

Reserve, Fuel Injection (warning light) - 1 gal. (3.8 l)

Oil Capacity
With filter - 5 qt. (4.7 l)
MPG Rating
Estimated City / Hwy - 47 mpg (5 l/100 km)4

Operational

Frame

Mild steel, tubular frame, rectangular section backbone, stamped, cast, and forged junctions, MIG welded, aluminum forged fender supports

Mild steel, tubular sections, stamped x-member, forged axle junctions, MIG welded, removable belt spacer

Front Suspension
Travel - 5.1 in. (130 mm)
Rear Suspension

Shocks - Hidden, free piston, coil-over monoshock, 43 mm stroke, hydraulic preload adjustment

Travel - 3.4 in. (86 mm)

Rake
Steering head - 30°
Trail
4.1 in. (104 mm)
Fork

Front - Dual-bending valve 49 mm telescopic with aluminum fork triple clamps, dual rate spring, "beer can" covers

Angle - 32°

Other

Additional Colors

Billiard Gray

Vivid Black

Blue Burst

Whiskey Fire / Vivid Black

Includes

Security System

Cruise Control

Warranty

24 months (unlimited mileage)

First 1,000 mi. (1,600 km), every 5,000 mi. (8,000 km) thereafter

Gallery

2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 1
2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 2
2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 3
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2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 8
2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 9
2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 10
2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 11
2025 Harley-Davidson Fat Boy® in Memphis, Tennessee - Photo 12

1. Prices listed are the Manufacturer’s Suggested Retail Prices for base models. Options such as color are available at additional cost. Prices exclude tax, title, licensing, registration fees, destination charges, surcharges (attributable to raw materials costs in the product supply chain), added accessories, and additional dealer charges, if any, and are subject to change. Harley-Davidson reimburses dealers for performing manufacturer-specified pre-delivery inspection and setup tasks. Dealer prices may vary.

2. North America security system includes immobilizer; outside North America the security system includes immobilizer.

3. Standard and optional wheels may vary by country and region.

4. Estimated from fuel economy tests on a sample motorcycle from the corresponding family conducted by Harley-Davidson under ideal laboratory conditions. Not all motorcycle models undergo fuel economy testing. Fuel economy and mileage may vary among motorcycle models within a family. Your mileage may vary depending on your personal riding habits, weather conditions, trip length, vehicle condition and vehicle configuration and other conditions. Break-in mileage may vary.

5. Values shown are nominal. Performance may vary by country and region.

6. Standard and optional fuel systems may vary by country.

7. Recommended 91 octane (95 RON) or higher fuel (R+M)/2.

8. Measurement reflects 180 lb. (81.7 kg) operator weight.

9. See motorcycle owner’s manual for complete details.

  • Price, if shown and unless otherwise noted, represents the Manufacturer's Suggested Retail Price (MSRP) or dealer unit price and does not include government fees, taxes, dealer vehicle freight/preparation, dealer document preparation charges, labor, installation, or any finance charges (if applicable). MSRP and/or final sales price will vary depending on options or accessories selected; contact dealer for more details.

  • Images, where available, are presented as reasonable facsimiles of the offered unit and/or manufacturer stock images. Non-standard options or features may be represented. No guarantee of availability or inclusion of displayed options should be inferred; contact dealer for more details.