2018 Harley-Davidson Fat Boy and Fat Boy 114
One of Harley-Davidson’s iconic models, the 2018 Harley-Davidson Fat Boy is a reinvention of the big beast.
Gone is the Twin Cam motor, and it is replaced by the buyer’s choice of a Milwaukee-Eight 107 or 114 powerplant. That means 109 ft/lbs of torque at the ready on the 107, and a brutal 119 ft/lbs cranked out by the brawny 117.
The 2018 Harley-Davidson Fat Boy also gets a new chassis, with a Showa Dual Bending Valve fork and single under-seat shock. The Lakester Solid Disc wheels are new, though true to the Fat Boy reputation.
The Michelin Scorcher tires do the Fat Boy name proud, with an imposing 240mm rear tire and reassuring 160mm front tire—both 18-inchers.
A big visual change is the new Signature LED headlight, as well as the satin finishes than includes a new cleaner dual muffler design with smother lines and a nicely camouflaged crossover tube.
For those with a sense of history, there are two 115th Anniversary editions, both with the Harley-Davidson Milwaukee-Eight 114 powerplant.
Visit our Motorcycle Buyer’s Guide.
For specs and a photo gallery, click to page 2
2018 Harley-Davidson Fat Boy and Fat Boy 114 Specs
- Type: Milwaukee-Eight 107 V-twin (Milwaukee-Eight 114 V-twin)
- Displacement: 107ci (114ci)
- Bore x stroke: 3.937” x 4.374” (4.016” x 4.5”)
- Maximum torque: 109 ft/lbs @ 3000 rpm (119 ft/lbs @ 3000 rpm)
- Compression ratio: 10.0:1 (10.5:1)
- Valve train: Single-cam; 4 vpc
- Exhaust: 2-into-1-into-2
- Cooling: Air and oil
- Transmission: 6-speed
- Primary drive: Chain
- Final drive: Belt
- Front suspension: Non-adjustable Showa Dual Bending Valve fork
- Rear suspension: Spring-preload adjustable shock
- Wheels: Machined cast aluminum
- Front tire: 160/60-18; Michelin Scorcher
- Rear tire: 240/40-18; Michelin Scorcher
- Front brakes: Disc w/ 4-piston fixed caliper
- Rear brake: Disc w/ 2-piston floating caliper
- ABS: Standard
DIMENSIONS and CAPACITIES
- Wheelbase: 65.6 inches
- Rake: 30 degrees
- Trail: 4.1 inches
- Seat height: 26.6 inches
- Fuel capacity: 5 gallons
- Estimated fuel consumption: 47 mpg
- Curb weight: 699 pounds
2018 Harley-Davidson Fat Boy Colors/Prices:
- Vivid Black: $18,999 MSRP
- Black Tempest; Industrial Gray; Bonneville Salt Pearl: $19,399 MSRP
- Wicked Red/Twisted Cherry: $19,749 MSRP
2018 Harley-Davidson Fat Boy 114 Colors/Prices:
- Vivid Black: $20,299 MSRP
- Black Tempest; Industrial Gray; Bonneville Salt Pearl: $20,699 MSRP
- Wicked Red/Twisted Cherry: $21,049 MSRP
2018 Harley-Davidson Fat Boy 114 105th Anniversary Color/Price:
- Legend Blue Denim; Legend Blue/Vivid Black: $21,199 MSRP