MotoSpecs

2010 Harley-Davidson FLSTF Fat Boy vs 2011 Ducati Diavel

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2010 Harley-Davidson FLSTF Fat Boy 2010 Harley-Davidson FLSTF Fat Boy

Custom / cruiser

Engine
Four stroke, Twin Cam 96BTM Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder
Power
N/A
Top Speed
N/A
Weight
329.0 kg / 725 lbs
2011 Ducati Diavel 2011 Ducati Diavel

Custom / cruiser

Engine
Four stroke, 90° °L° twin cylinder, DOHC, desmodromic 4 valves per cylinder.
Power
119 kW / 162 hp / @ 9500rpm
Top Speed
252.4 km/h / 156.8 mph
Weight
239 kg / 527lbs
Full Specifications
General
Year20102011
Make ModelHarley Davidson FLSTF Fat BoyDucati Diavel
Dimensions
Seat HeightLaden 635 mm / 25.0 in Unladen 690 mm / 27.1 in770 mm / 30.3in
Wheelbase1715 mm / 67.5 in1590 mm / 62.6 in
Height-1192 mm / 46.9 in
Length2445 mm / 96.2 in2235 mm / 87.9 in
Width-860 mm / 33.8 in
Weights & Capacities
Dry Weight-210 Kg / 463 lbs
Fuel Capacity18.9 Litres / 5.0 gal17 Litres / 4.5 US gal / 3.7 Imp gal
Maximum Load / GVWR526.0 kg / 1160 lbs-
Wet Weight329.0 kg / 725 lbs239 kg / 527lbs
Performance
Top Speed-252.4 km/h / 156.8 mph
Max Power-119 kW / 162 hp / @ 9500rpm
Max Torque124.7 Nm / 92 ft. lbs @ 3000 rpm127.5 Nm / 13.0 kgf-m / 94 lb-ft / @ 8000rpm
Standing Start ¼ Mile-10.7 sec
Engine
Displacement1584 cc / 96 cu-in1198.4 cc / 73.1 cu in
Engine DetailFour stroke, Twin Cam 96BTM Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinderFour stroke, 90° °L° twin cylinder, DOHC, desmodromic 4 valves per cylinder.
Bore x Stroke95.25 x 111.25 mm106 x 67.9 mm
Compression Ratio9.2:111.5:1
Cooling SystemAir cooledLiquid cooled
Exhaust-Lightweight 2-1-2 system with catalytic converter and two lambda probes. Twin aluminium mufflers
Fuel Consumption-5.2 L/100 km / 19.4 km/l / 45.6 US mpg / 54.8 Imp mpg
Fuel InductionElectronic Sequential Port Fuel Injection (ESPFI)Mitsubishi electronic fuel injection system, Mikuni elliptical throttle bodies with RbW
IgnitionSingle-fire, non-wasted, map-controlled spark ignitionMarelli electronic
StarterElectricElectric
Drivetrain
ClutchMulti-plate, wetLight action, wet, multiplate clutch with hydraulic control. Self-servo action on drive, slipper action on over-run.
Final DriveBeltChain Front sprocket 15; Rear sprocket 43
Gear Ratios1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.7901st 37/15 / 2nd 30/17 / 3rd 27/20 / 4th24/22 / 5th 23/24 / 6th 22/25
Transmission / Drive6 Speed6 Speed
Chassis
Frame TypeMild steel, tubular frame; rectangular section backbone; stamped, cast and forged junctions, forged fender supports; MIG weldedTubular steel Trellis frame
Suspension - Front41.3 mm telescopic, chrome dust coversMarzocchi 50mm fully adjustable USD forks
Suspension - RearHidden, horizontal-mounted, coil-over shockProgressive linkage with fully adjustable Sachs monoshock. Aluminium single-sided swingarm,
Rake 31.6°28°
Steering Angle-70°
Trail147 mm / 5.7 in-
Wheel Travel - Front-120 mm / 4.72 in
Wheel Travel - Rear-120 mm / 4.72 in
Electrical Systems
Instrumentation-Tank mounted instrumentation with TFT colour display: Gear selected, air temp, battery voltage, trips 1 & 2, fuel reserve trip, average and actual fuel consumption and speed, trip time, scheduled maintenance. Full status and/or management of Riding Modes, DTC, RbW and ABS.
Wheels & Brakes
Brakes - FrontSingle 292mm disc 4 piston caliper2 x 320 mm Semi-floating discs, radially mounted Monobloc Brembo calipers, 4-piston with ABS
Brakes - RearSingle 292mm disc 4 piston caliperSingle 265 mm disc, 2-piston floating caliper with ABS
Tyres - Front140/75R17120/70 ZR 17
Tyres - Rear200/55R17240/45 ZR17

Verdict

Winner on specs

2011 Ducati Diavel

The 2011 Ducati Diavel edges out the 2010 Harley-Davidson FLSTF Fat Boy thanks to its liquid cooling and dual front discs. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2010 Harley-Davidson FLSTF Fat Boy - Advantages

  • Lower seat height: Laden 635 mm vs 770 mm - accessible to a wider range of rider heights.

2011 Ducati Diavel - Advantages

  • Liquid cooling: Consistent engine temperature in stop-start traffic and hot climates.
  • Dual front discs: Greater stopping power and better heat management under hard braking.

2010 Harley-Davidson FLSTF Fat Boy vs 2011 Ducati Diavel - FAQs

What are the engine differences between the 2010 Harley-Davidson FLSTF Fat Boy and 2011 Ducati Diavel?
The 2010 Harley-Davidson FLSTF Fat Boy uses Four stroke, Twin Cam 96BTM Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder, while the 2011 Ducati Diavel is powered by Four stroke, 90° °L° twin cylinder, DOHC, desmodromic 4 valves per cylinder..
Which bike is better for shorter riders, the 2010 Harley-Davidson FLSTF Fat Boy or the 2011 Ducati Diavel?
The 2010 Harley-Davidson FLSTF Fat Boy has the lower seat at Laden 635 mm, making it more accessible. The 2011 Ducati Diavel sits higher at 770 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2010 Harley-Davidson FLSTF Fat Boy or the 2011 Ducati Diavel?
Both are strong choices. The 2010 Harley-Davidson FLSTF Fat Boy has the edge in lower seat height, while the 2011 Ducati Diavel stands out for liquid cooling and dual front discs. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.

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