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2025 Harley-Davidson Softail® Fat Boy®

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Engine

  • Engine Brand Name:
    Milwaukee-Eight® 117 Custom
  • Engine Type:
    V Twin
  • Cylinders:
    2
  • Engine Stroke:
    4-Stroke
  • Horsepower (bhp):
    104
  • Horsepower (kW):
    77
  • Horsepower RPM:
    4800
  • Torque (Ft Lbs):
    126
  • Torque (Nm):
    171
  • Torque RPM:
    3000
  • Cooling:
    Air / Oil
  • Valves:
    8
  • Valves Per Cylinder:
    4
  • Valve Configuration:
    OHV - Pushrod
  • Bore (mm):
    103.5
  • Bore (in):
    4.08
  • Stroke (mm):
    114.3
  • Stroke (in):
    4.5
  • Displacement (cc):
    1923
  • Displacement (ci):
    117
  • Compression Ratio:
    10.3:1
  • Starter:
    Electric
  • Fuel Requirements:
    Premium
  • US Miles Per Gallon (Combined):
    47
  • CAN Liters Per Kilometer (Combined):
    5
  • Fuel Type:
    Gas

Brakes

  • Front Brake Type:
    Hydraulic Disc
  • Front Brake Diameter (in):
    11.8
  • Front Brake Diameter (mm):
    300
  • Rear Brake Type:
    Hydraulic Disc
  • Rear Brake Diameter (in):
    11.5
  • Rear Brake Diameter (mm):
    292

Carburetion

  • Fuel Injector:
    Yes
  • Carburetion Type:
    Fuel Injected

Dimensions

  • Length (in):
    93.1
  • Length (mm):
    2365
  • Width (in):
    40
  • Width (mm):
    965
  • Height (in):
    44.1
  • Height (mm):
    1120
  • Wheelbase (in):
    65
  • Wheelbase (mm):
    1650
  • Ground Clearance (in):
    4.9
  • Ground Clearance (mm):
    125
  • Length (ft):
    7.76
  • Length (ft/ft):
    7
  • Length (ft/in):
    9.1

Other

  • Fuel Capacity (gal):
    5
  • Fuel Capacity (l):
    18.9
  • Fuel Capacity Reserve (gal):
    1
  • Fuel Capacity Reserve (l):
    3.8
  • Frame:
    Steel
  • Body Material:
    Steel
  • Engine Immobilizer Brand:
    Digitally Encoded Security System™ (DESS)
  • Side Cover:
    Yes
  • Fork Guards:
    Yes
  • Belt Guard:
    Yes
  • Floor Board Location:
    Driver
  • Foot Peg Location:
    Passenger
  • Front Suspension Type:
    Telescopic Fork
  • Front Suspension Size (in):
    1.9
  • Front Suspension Size (mm):
    49
  • Front Travel (in):
    5.1
  • Front Travel (mm):
    130
  • Fuel Level Warning Type:
    Gauge
  • SysModelID:
    161659
  • MfrModelID:
    FLFB
  • Year:
    2025
  • Manufacturer:
    Harley-Davidson
  • Model Name:
    Softail®
  • Trim Name:
    Fat Boy®
  • Family Name:
    Softail®
  • Product Type:
    Motorcycle / Scooter
  • Manufacturer Type:
    Cruiser
  • Generic Type (Primary):
    Cruiser
  • Manufacturer Country:
    USA
  • Photo Name:
    2025_Harley-Davidson_Softail_FatBoy.jpg
  • Major Revision Year:
    2025
  • Revision Status:
    Upgraded
  • Competitor Code:
    MOT25CIA000
  • Introduction Year:
    2018
  • Manufacturer Recommend Minimum Age:
    16
  • SysTrimId:
    579111
  • SysMakeId:
    10
  • IsCurrent:
    Yes
  • Historical ID:
    521201
  • Data Provider:
    CRS
  • Parent Company:
    Harley-Davidson
  • Display Name:
    Fat Boy®
  • Engine Displacement to Weight (cc):
    2.88
  • Currency:
    US Dollars
  • Warranty (Months):
    24
  • Destination Charge:
    730
  • Warranty (Condition):
    Limited
  • Basic Warranty (Miles):
    Unlimited
  • Warranty (Years):
    2
  • Rear Suspension Type:
    Twin Sided Swing Arm
  • Rear Suspension Size (in):
    1.7
  • Rear Suspension Size (mm):
    43
  • Rear Travel (in):
    3.4
  • Rear Travel (mm):
    86
  • Rear Adjustable Shock / Spring Pre-Load:
    Yes
  • Rear Adjustable Rebound Damping:
    Yes
  • Number Rear Shock Absorbers:
    1
  • Rear Suspension Material:
    Steel
  • Air Adjustable:
    Yes
  • Folding:
    Yes
  • Seat Type:
    Two-Piece
  • Seat Material:
    Leather
  • Seat Location:
    Driver and Passenger
  • Seat Height (in):
    26.6
  • Seat Height (mm):
    675
  • Number Of Seats:
    2
  • Stand Type:
    Kick
  • Steering Control:
    Handlebar
  • Tire Brand:
    Michelin®
  • Front Tire Width:
    160
  • Front Tire Aspect Ratio:
    60
  • Front Tire Speed Rating:
    V
  • Front Wheel Diameter:
    18
  • Rear Tire Width:
    240
  • Rear Tire Aspect Ratio:
    40
  • Rear Tire Speed Rating:
    V
  • Rear Wheel Diameter:
    18
  • Front Tire (Full Spec):
    Michelin® Scorcher® 11 160/60 R18 70V
  • Rear Tire (Full Spec):
    Michelin® Scorcher® 11 240/40 R18 79V
  • Wheels Composition:
    Aluminum
  • Front Wheel Width (in):
    4.5
  • Rear Wheel Width (in):
    8
  • Type:
    LED

Our Location

Palm Springs Harley-Davidson®
19465 N. Indian Canyon Dr.
Palm Springs, CA 92258