Aprilia RS 660 vs BMW F 900 GS Comparison

Engine & Performance

Displacement	659 cc	895 cc
Maximum Power	100 hp	105 hp
No. Of Cylinder	2	2
Engine Type	Parallel-Twin Cylinder, 4 Valves, 4-Stroke, Liquid-Cooled, DOHC Engine	In-line 2 Cylinder, 4-Stroke, Liquid Cooled, DOHC Engine
Bore X Stroke	81 mm x 63.9 mm	86 mm x 77 mm
Emission Control	Euro 5	--
Maximum Torque	67 Nm	92 Nm
Exhaust Pipes	2 in 1 Exhaust	2 into 1 Exhaust
Injection Type	Fuel Injection	--
No. Of Strokes	4-Stroke	4-Stroke
Cooling System	Liquid Cooled	Liquid Cooled
Valve Configuration	DOHC	DOHC
Valves Per Cylinder	4	--
Drive Type	Chain Drive	Chain Drive
Fuel Consumption	20-25 kmpl	--
RPM at Maximum Power	10500 rpm	8500 rpm
RPM at Maximum Torque	8500 rpm	6750 rpm
Fuel Tank Capacity	15 L	14.3 L
Clutch Type	--	Multi-Plate Wet
Compression Ratio	--	13.1:1

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Dimension

Category	Sport	Sport
Height	805 mm	--
Kerb Weight	183 kg	--
Seat Height	820 mm	--
Seating Capacity	2 Seats	2 Seats

Fuel & Ignition

Start Option	Electric	Electric
Fuel Type	Petrol	Petrol
Fuel Reserve	1 L	--
Ignition System	--	Electronic

Gear & Transmission

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

Chassis & Suspension

Rear Suspension	Single shock	Swing Arm
Suspension Travel(Rear)	130 mm	--
Front Suspension	USD Fork	USD Fork
Suspension Travel(Front)	120 mm	--

Wheels & Tyres

Front Wheel Size	ZR17	R21
Rear Wheel Size	ZR17	R17
Rear Tyre	180/55 ZR17	150/70 R17
Front Tyre	120/70 ZR17	90/90 R21
Tyre Type	Runflat, Tubeless	Radial

Safety & Security

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

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Console

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

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Electrical

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

Brake

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

Chassis & Suspension

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

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Differentiating Features

Height Adjustable Seats	No	--
Cruise Control	No	--