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Fat Boy®

Built in the Image of Bold Wide tires front and back. Classic Lakester cast aluminum wheels. The iconic steamroller stance, backed by a Milwaukee-Eight® 117 motor. LED lighting all around, Rider Safety Enhancements standard, and fine factory details that honor one of Harley-Davidson's most legendary silhouettes. The 2026 Fat Boy is bold by design.

Nothing Looks Like a Fat Boy

From its signature steamroller stance to new paint, a unique tank medallion, and full LED lighting, the 2026 Fat Boy defines one of Harley-Davidson’s most stand-out bikes.

Bold Colorways + Model-Specific Tank Medallion

The 2026 Fat Boy gets a fresh shot of attitude with a Fat Boy-specific tank medallion and bold new Olive Steel Metallic two-tone , joining Dark Billiard Gray, Vivid Black, White Onyx Pearl, and Brilliant Red. It’s a lineup built to make an entrance, no matter which shade you choose.

Classic Machined Lakester Wheels

Solid Lakester cast aluminum wheels, paired with wide front and rear tires, give the Fat Boy its unmistakable steamroller stance and planted look from every angle.

Signature Headlamp Nacelle + LED Lighting All Around

A sculpted chrome nacelle frames the front end of the Fat Boy, lit by a powerful 7" LED headlamp. Bright LED signals complete the bike’s all-around LED lighting package, blending timeless style with modern visibility. It’s a classic face, sharpened through a modern lens.

As Fast As It Looks

The Milwaukee-Eight 117, Touring Intake, 2-into-2 exhaust, and performance-tuned suspension make the 2026 Fat Boy a show of force to match its legendary presence.

Punchy Milwaukee-Eight 117 Custom Motor

The Milwaukee-Eight 117 feeds the Fat Boy exactly what it was built for: big torque and roll-on power that turns its solid, planted stance into something that moves with surprising quickness.

Fat Boy®

BASE MSRP$27,299 VIVID BLACK$400
PREMIUM SOLIDS$800 TWO-TONE$1,375
SECURITY SYSTEMStandard CRUISE CONTROLStandard
CALIFORNIA EMISSIONSN/A TRANSPORT$1,100
ENGINEMilwaukee-Eight® 117 Custom VALVESPushrod-operated, overhead valves with hydraulic, self-adjusting lifters; four valves per cylinder
BORE103.5 mm (4.075 in.) STROKE114.3 mm (4.5 in.)
DISPLACEMENT1,923 cc (117 cu in) COMPRESSION RATIO10.3:1
FUEL SYSTEMElectronic Sequential Port Fuel Injection (ESPFI) AIR CLEANERHelix style A/C
EXHAUST2-into-2 staggered; catalyst in muffler LUBRICATION SYSTEMPressurized, dry-sump with oil cooler
LENGTH2,365 mm (93.1 in.) OVERALL WIDTH965 mm (40 in.)
OVERALL HEIGHT1,120 mm (44.1 in.) SEAT HEIGHT, LADENN/A
SEAT HEIGHT, UNLADEN675 mm (26.6 in.) STATIC GROUND CLEARANCE125 mm (4.9 in.)
RAKE (STEERING HEAD) (DEG)30 FORK ANGLE (DEG)32
TRAIL104 mm (4.1 in.) WHEELBASE1,650 mm (65 in.)
TIRES, TYPEMichelin® Scorcher 11, front and rear TIRES, FRONT MODELScorcher 11
TIRES, FRONT SPECIFICATION160/60R18,70V,BW TIRES, REAR MODELScorcher 11
TIRES, REAR SPECIFICATION240/40R18,79V,BW FUEL CAPACITY18.9 l (5 gal.)
RESERVE FUEL CAPACITY, FUEL INJECTION (WARNING LIGHT)3.8 l (1 gal.) OIL CAPACITY (W/FILTER)4.7 l (5 qt.)
TRANSMISSION CAPACITY.95 l (1 qt.) PRIMARY CHAIN CASE CAPACITY1.35 l (1.43 qt.)
WEIGHT, AS SHIPPED303 kg (668 lb.) WEIGHT, IN RUNNING ORDER315 kg (694 lb.)
GROSS VEHICLE WEIGHT RATING533 kg (1,175 lb.) GROSS AXLE WEIGHT RATING, FRONT204 kg (450 lb.)
GROSS AXLE WEIGHT RATING, REAR345 kg (760 lb.)
ENGINE TORQUE TESTING METHODJ1349 ENGINE TORQUE171 Nm (126 ft-lb)
ENGINE TORQUE (RPM)3,000 POWER103 HP / 77 kW @ 4800 rpm
LEAN ANGLE TESTING METHODJ1168 LEAN ANGLE, RIGHT (DEG.)25.6
LEAN ANGLE, LEFT (DEG.)25.6 FUEL ECONOMY TESTING METHODEU 134/2014
FUEL ECONOMY5.5 l/100 km (43 mpg) CO2 EMISSIONS TESTING METHODEU 134/2014
CO2 EMISSIONS128 g/km CO2
PRIMARY DRIVEChain, 34/46 ratio FINAL DRIVEBelt, 32/66 ratio
CLUTCHMechanical, 10 plate wet, assist & conventional TRANSMISSION6-Speed Cruise Drive®
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
FRAMEMild steel, tubular frame; rectangular section backbone; stamped, cast, and forged junctions; MIG welded; aluminum forged fender supports SWINGARMMild steel, tubular sections, stamped x-member, forged axle junctions; MIG welded; removable belt spacer
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, FRONT DIAMETER18 in. (457 mm)
WHEELS, FRONT WIDTH4.5 in. (114 mm) WHEELS, REAR TYPEMachined, Lakester cast aluminum
WHEELS, REAR DIAMETER18 in. (457 mm) WHEELS, REAR WIDTH8 in. (203 mm)
BRAKES, CALIPER TYPE4-piston fixed front and 2-piston floating rear BRAKES, ROTOR TYPEFront and rear silver, Split 7-spoke floating rotors
BRAKES, FRONT DIAMETER300 mm (11.8 in.) BRAKES, FRONT THICKNESS5 mm (0.2 in.)
BRAKES, FRONT IS DUALNo BRAKES, REAR DIAMETER292 mm (11.5 in.)
BRAKES, REAR THICKNESS5.8 mm (0.23 in.) BRAKES, ANTI-LOCK BRAKING SYSTEM (ABS)Standard
SUSPENSION TRAVEL, FRONT130 mm (5.1 in.) SUSPENSION TRAVEL, REAR86 mm (3.4 in.)
BATTERYSealed, maintenance-free, absorbed glass mat (AGM) battery, 12V, 17.5Ah, 310 CCA at 0°F CHARGINGThree-phase, 48 Amp system (364 Watts @13 Volts, 900 rpm, 624 Watts max power @ 13 Volts, 2000 rpm)
STARTING1.6 kW electric with solenoid shift starter motor engagement LIGHTS (AS PER COUNTRY REGULATION), HEADLAMPAll LED headlamp, low and high beam with signature position lighting
LIGHTS (AS PER COUNTRY REGULATION), TAIL/STOPBullet-style, LED stop/tail/turn signals LIGHTS (AS PER COUNTRY REGULATION), FRONT SIGNAL LIGHTSLED Bullet Turn Signals
LIGHTS, REAR TURN SIGNALSLED Bullet Turn Signals GAUGES5-inch (127 mm) analog speedometer with digital gear, odometer, fuel level, ride modes, heated gear, traction control, ABS, TPMS, cruise control, clock, trip, range and tachometer indication
ELECTRIC POWER OUTLETUSB C-Type , Output 5V at 2.4 Amp

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