Aprilia RS 660 vs Harley Davidson Fat Boy Comparison

Engine & Performance

Displacement	659 cc	1868 cc
Maximum Power	100 hp	--
No. Of Cylinder	2	2
Engine Type	Parallel-Twin Cylinder, 4 Valves, 4-Stroke, Liquid-Cooled, DOHC Engine	4-Stroke, DOHC
Bore X Stroke	81 mm x 63.9 mm	102 mm x 114 mm
Emission Control	Euro 5	--
Maximum Torque	67 Nm	155 Nm
Exhaust Pipes	2 in 1 Exhaust	2 in 2 Exhuast
Injection Type	Fuel Injection	--
No. Of Strokes	4-Stroke	4-Stroke
Cooling System	Liquid Cooled	Air Cooled
Valve Configuration	DOHC	DOHC
Valves Per Cylinder	4	4
Drive Type	Chain Drive	Chain Drive
Fuel Consumption	20-25 kmpl	--
RPM at Maximum Power	10500 rpm	--
RPM at Maximum Torque	8500 rpm	3000 rpm
Fuel Tank Capacity	15 L	18.9 L
Top Speed	--	170 kmph
Compression Ratio	--	10.5:1

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Dimension

Category	Sport	Cruiser
Height	805 mm	--
Kerb Weight	183 kg	317 kg
Seat Height	820 mm	675 mm
Seating Capacity	2 Seats	2 Seats
Ground Clearance	--	115 mm
Length	--	2370 mm
Wheel Base	--	1665 mm
Oil Tank Capacity	--	4.7 L

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Fuel & Ignition

Start Option	Electric	Electric
Fuel Type	Petrol	Petrol
Fuel Reserve	1 L	--
Fuel Supply System	--	Electronic Sequential Portable Fuel Injection (ESPFI)

Gear & Transmission

Transmission Type	Manual	Manual
Gear Box	6-Speed	6-Speed

Chassis & Suspension

Rear Suspension	Single shock	Mono Shock
Suspension Travel(Rear)	130 mm	--
Front Suspension	USD Fork	High Performance Home Suspension
Suspension Travel(Front)	120 mm	--

Wheels & Tyres

Front Wheel Size	ZR17	R18
Rear Wheel Size	ZR17	R18
Rear Tyre	180/55 ZR17	240/40 R18
Front Tyre	120/70 ZR17	160/60 R18
Tyre Type	Runflat, Tubeless	Radial

Safety & Security

ABS	Yes	Yes
Pass Switch	Yes	--
Shutter Lock	No	No
Back Rest	No	No
Traction Control	Yes	--
Side Reflectors	Yes	--
Anti-Theft Alarm	No	Yes
Engine Check Warning	Yes	--
Stability Control	No	--
Riding Modes	Road, Race Road, Race	Cruise Cruise
Leg Guards	No	No
Launch Control	No	No
Engine Immobilizer	--	Yes
Wheel Lock Front/back	--	No

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Console

Odometer	Digital Digital	Digital Digital
Fuel Gauge	Digital Digital	Analog Analog
Speedometer	Digital Digital	Analog Analog
Oil Change Indicator	Yes	Yes
Display Screen	Yes	Yes
Tripmeter	Yes	Yes
Tachometer	Yes	Digital Digital
Navigator	No	No

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Electrical

Indicator Light	No	Yes
Battery Voltage	12 V 12 V	12 V 12 V
Adjustable Headlights	Yes	Yes
Tail Lamp	LED LED	--
Head Lamp	LED LED	LED LED

Brake

Front Brake	Dual Disc Dual Disc	Disc Disc
Rear Brake	Disc Disc	Disc Disc

Chassis & Suspension

Seat Type	Dual Stepped Dual Stepped	Single Seat Single Seat
Chrome Garnish	No	No
Body Frame Material	Alloy Alloy	--
Side Wings	Yes	No
Body Frame Type	Seat Supporting Sub Frame Seat Supporting Sub Frame	--
Electronic Suspension Adjustment	No	--

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Differentiating Features

Height Adjustable Seats	No	No
Cruise Control	No	No