2014 Kawasaki ER-6f vs 2015 Ducati Monster 821

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2014 Kawasaki ER-6f 2014 Kawasaki ER-6f

Naked bike

Engine
Four stroke, parallel twin, DOHC, 4 valves per cylinder.
Power
53 kW / 72.1 hp @ 8500 rpm
Top Speed
N/A
Weight
209 kg / 460 lbs
2015 Ducati Monster 821 2015 Ducati Monster 821

Naked bike

Engine
Four stroke, Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder,
Power
82.4 kW / 112 hp @ 9250 rpm
Top Speed
N/A
Weight
205.5kg / 453 lbs
Full Specifications
General
Year20142014 - 15
Make ModelKawasaki ER-6fDucati Monster 821
Dimensions
Seat Height805 mm / 31.7 in785 mm - 810 mm / 30.9 in - 31.9 in
Wheelbase1410 mm / 55.5 in1480 mm / 58.3 in
Ground Clearance130 mm / 5.1 in-
Height1210 mm / 47.6 in-
Length2105 mm / 82.9 in-
Width760 mm / 29.9 in-
Weights & Capacities
Dry Weight-179.5kg / 395.7 lbs
Fuel Capacity16 Litres / 4.2 US gal17.5 Litres / 4.6 US gal / 3.8 Imp gal
Wet Weight209 kg / 460 lbs205.5kg / 453 lbs
Performance
Max Power53 kW / 72.1 hp @ 8500 rpm82.4 kW / 112 hp @ 9250 rpm
Max Torque66 Nm / 6.7 m-kg @ 7000 rpm89.4 Nm / 9.1 kgf-m / 65.8 lb-ft @ 7750 rpm
Engine
Displacement649 cc / 39.6 cu-in821 cc / 50.1 cu-in
Engine DetailFour stroke, parallel twin, DOHC, 4 valves per cylinder.Four stroke, Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder,
Bore x Stroke83 X 60mm88 x 67.5 mm
Compression Ratio11.3;112.8:1
Cooling SystemLiquid cooled,Liquid cooled
Engine Oil SpecificationSynthetic, 10-40-
Exhaust-Stainless steel muffler and aluminium and cap; lightweight 2-1 system with catalytic converter with 2 lambda probes
Fuel Induction2x 38mm Electronic Fuel Injection KeihinElectronic fuel injection system, 53mm throttle bodies with full Ride by Wire
IgnitionDigital TCBI Marelli electronic
LubricationWet sump-
Spark PlugNGK, CR9EIA-9-
StarterElectricElectric
Drivetrain
ClutchWet, multiple discs, cable operatedAPTC multi-disc wet clutch with control cable
Final Drive-Chain, Front sprocket 15; Rear sprocket 46
Gear Ratios1st 2.438 (39/16) 2nd 1.714 (36/21) 3rd 1.333 (32/24) 4th 1.111 (30/27) 5th 0.966 (28/29) 6th 0.852 (23/27)1st 37/15 2nd 30/17 3rd 28/20 4th 26/22 5th 24/23 6th 23/24
Primary Drive-Straight cut gears, ratio 1.85:1
Transmission / Drive6 Speed 6 Speed
Chassis
Frame TypePerimeter, high-tensile steelTubular steel Trellis frame attached to the cylinders head
Suspension - Front41 mm telescopic forkKayaba 43mm upside-down fork
Suspension - RearOffset laydown single-shock with adjustable preloadProgressive linkage with adjustable monoshock. Aluminum double-sided swingarm
Rake25°24.3°
Trail106 mm / 4.1 in93.2mm / 3.7in
Wheel Travel - Front120 mm / 4.7 in130 mm / 5.1 in
Wheel Travel - Rear130 mm / 5.1 in140 mm / 5.5 in
Wheels & Brakes
Brakes - Front2x 300mm discs 2 piston Calipers2 x 320 mm semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axial pump with ABS as standard
Brakes - RearSingle 220mm disc 1 piston CaliperSingle 245mm disc, 2-piston floating calliper with ABS as standard equipment
Tyres - Front120/70ZR17120/70 ZR 17 Pirelli Diablo Rosso II
Tyres - Rear160/60ZR17180/60 ZR17 Pirelli Diablo Rosso II
Wheels - Front-10-spoke in light alloy, 3.50" x 17"
Wheels - Rear-10-spoke in light alloy, 5.50" x 17"

Verdict

Winner on specs

2015 Ducati Monster 821

The 2015 Ducati Monster 821 edges out the 2014 Kawasaki ER-6f thanks to its lower seat height, dual front discs, higher rear wheel travel, higher front wheel travel and larger displacement. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2014 Kawasaki ER-6f - Advantages

  • Competitive all-round: The 2014 Kawasaki ER-6f matches or exceeds its rival across all measured criteria.

2015 Ducati Monster 821 - Advantages

  • Lower seat height: 785 mm - 810 mm vs 805 mm - accessible to a wider range of rider heights.
  • Dual front discs: Greater stopping power and better heat management under hard braking.
  • Larger displacement: 821 cc vs 649 cc - more cubic capacity means broader torque delivery and greater low-end pull.
  • More rear wheel travel: 140 mm vs 130 mm - absorbs bigger hits and rough terrain better.
  • More front wheel travel: 130 mm vs 120 mm - greater compliance over rough surfaces.

2014 Kawasaki ER-6f vs 2015 Ducati Monster 821 - FAQs

What are the engine differences between the 2014 Kawasaki ER-6f and 2015 Ducati Monster 821?
The 2014 Kawasaki ER-6f uses Four stroke, parallel twin, DOHC, 4 valves per cylinder., while the 2015 Ducati Monster 821 is powered by Four stroke, Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder,.
Which bike is better for shorter riders, the 2014 Kawasaki ER-6f or the 2015 Ducati Monster 821?
The 2015 Ducati Monster 821 has the lower seat at 785 mm - 810 mm, making it more accessible. The 2014 Kawasaki ER-6f sits higher at 805 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2014 Kawasaki ER-6f or the 2015 Ducati Monster 821?
Both are strong choices. The 2014 Kawasaki ER-6f has its own strengths, while the 2015 Ducati Monster 821 stands out for lower seat height 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.