2018 Ducati Diavel Carbon vs 2025 Harley-Davidson Softail Fat Boy 117

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2018 Ducati Diavel Carbon 2018 Ducati Diavel Carbon

Custom / cruiser

Engine
Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder.
Power
152 hp / 113.3 kW @ 9500rpm
Top Speed
N/A
Weight
239 kg / 527lbs ABS
2025 Harley-Davidson Softail Fat Boy 117 2025 Harley-Davidson Softail Fat Boy 117

Custom / cruiser

Engine
Four stroke, V-Twin, 2 Milwaukee-Eight 117 custom, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder
Power
77 kW / 104Hp @ 4800 rpm
Top Speed
N/A
Weight
315 kg / 694 lbs
Full Specifications
General
Year2017 - 182025
Make ModelDucati Diavel CarbonHarley Davidson Softail Fat Boy 117
Dimensions
Seat Height770 mm / 30.3inUnladen 675 mm / 26.6 in Laden 658 mm / 25.9 in
Wheelbase1590 mm / 62.6 in1650 mm / 65 in
Ground Clearance-125 mm / 4.9 in
Height1192 mm / 46.9 in1120 mm / 44.1 in
Length2235 mm / 87.9 in2365 mm / 93.1 in
Width860 mm / 33.8 in965 mm / 40.0 in
Weights & Capacities
Wet Weight (kg)239 315
Dry Weight (kg)210303
Dry Weight210 Kg / 463 lbs303 kg / 668 lbs
Fuel Capacity-18.9 Litres / US 5.0 gal
Wet Weight239 kg / 527lbs ABS315 kg / 694 lbs
Performance
Max Power152 hp / 113.3 kW @ 9500rpm77 kW / 104Hp @ 4800 rpm
Max Torque94 lb-ft / 127.5 Nm @ 8000rpm171 Nm / 126 lb-ft @ 3000 rpm
Engine
Displacement1198.4 cc / 73.1 cu-in1923 cc / 117 cu in
Engine DetailFour stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder. Four stroke, V-Twin, 2 Milwaukee-Eight 117 custom, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder
Bore x Stroke106 x 67.9mm103.5 x 114.3 in
Compression Ratio11.5:110.3:1
Cooling SystemLiquid cooled,Air cooled
ExhaustLightweight 2-1-2 system with catalytic converter and two lambda probes. Twin aluminium mufflers2-into-2 staggered, catalyst in muffler
Fuel InductionMitsubishi electronic fuel injection system, Mikuni elliptical throttle bodies with RbWElectronic Sequential Port Fuel Injection (ESPFI)
IgnitionMarelli electronicSingle-fire, non-wasted, map-controlled spark ignition
Lubrication-Pressurized, dry-sump with oil cooler
StarterElectricElectric
Drivetrain
ClutchLight action, wet, multiplate clutch with hydraulic control. Self-servo action on drive, slipper action on over-run.Mechanical, 10 plate wet, assist & conventional
Final DriveChain Front sprocket 15; Rear sprocket 43Belt, 32/66 ratio
Gear Ratios1st 37/15 / 2nd 30/17 / 3rd 27/20 / 4th24/22 / 5th 23/24 / 6th 22/251st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.79
Primary Drive-Chain, 34/46 ratio
Transmission / Drive6 Speed 6 Speed
Chassis
Frame TypeTubular steel Trellis frameMild steel, tubular frame, rectangular section backbone, stamped, cast, and forged junctions, MIG welded, aluminum forged fender supports
Suspension - FrontMarzocchi 50mm fully adjustable USD forks,Dual bending valve 49mm telescopic with aluminum fork triple clamps, dual rate spring, "beer can" covers
Suspension - RearProgressive linkage with fully adjustable Sachs monoshock. Aluminium single-sided swingarm,Hidden, free piston, coil-over monoshock, 43mm stroke, hydraulic preload adjustment
Lean Angle-25.6°
Rake28°30°
Steering Angle70°-
Swingarm-Mild steel, tubular sections, stamped x-member, forged axle junctions, MIG welded, removable belt spacer
Trail-104 mm / 4.1 in
Wheel Travel - Front120 mm / 4.72 in130 mm / 5.1 in
Wheel Travel - Rear120 mm / 4.72 in86 mm / 3.4 in
Wheels & Brakes
Brakes - Front2 x 320mm semi-floating discs, radially mounted Monobloc Brembo callipers, 4-piston with ABS2 x 300mm discs, 4 piston fixed caliper
Brakes - RearSingle 265mm disc, 2-piston floating calliper with ABSSingle 292mm disc, 2 piston floating caliper
ABS-Standard
Tyres - Front120/70 ZR 17160/60R18,70V,BW
Tyres - Rear240/45 ZR17240/40R18,79V,BW
Wheels-Machined, Lakester cast aluminum
Wheels - Front-18 x 4,5 in
Wheels - Rear-18 x 8.0 in