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Compare	Yamaha Aerox R 2011	VS	Aprilia SR 50 R Factory 2010	Add another Item to this comparison Add Item
				Overview: There are 24 differences and 19 similarities between Yamaha Aerox R 2011, Aprilia SR 50 R Factory 2010

General Information
Category		Scooter	vs	Scooter
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Model Year		2011	vs	2010
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Manufacturer		Yamaha	vs	Aprilia
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Model #		Aerox R	vs	Sr 50 R Factory
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Number of riders		2 persons	vs	2 persons
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Engine and transmission
Engine Type		1 Cylinders, 2-stroke, Single	vs	1 Cylinders, 2-stroke, Single
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Gear box		Automatic, Variator Clutch	vs	Automatic, Sequential
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Displacement		49 cc (2.99 cubic inches)	vs	49 cc (2.99 cubic inches)	Engine displacement is the volume inside the cylinders of an engine. The larger the engine displacement is, the more powerful the scooter usually is.
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Power		3 HP (2 kW)	vs		The power of the scooter is measured in HP or KW. The more power the scooter has the faster it can travel.
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Torque		4 Nm (2.73 lb-ft)	vs		Torque is a measure of the turning power of the engine. A higher torque means faster acceleration.
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Power-to-weight ratio		0.02 KW/lbs (48.50 lbs/HP)	vs		A calculation of horsepower divided by weight. The higher the ratio the more power there is per lb, which means a faster scooter.
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Throttle		Cable Operated	vs	Cable Operated
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Engine mounting		Transverse	vs	Transverse	Most scooter engines are transverse mounted.
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Sparks per cylinder		1	vs	1
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Clutch		Centrifugal Clutch	vs	Dry, Centrifugal Clutch, Cable Operated
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Starter		Electric / Kick-starter	vs	Electric	This combination of starter means can either start the engine with a kick, or also with turn of the key or push of button.
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Cooling system		Water Cooled	vs	Water Cooled
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Bore × stroke		2 inch × 1.54 inch (square)	vs	2 inch × 1.55 inch (square)
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Fuel supply system		Carburetor	vs	Fuel Injection
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Lubrication system		Oil Pump	vs	Mixture
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Final drive		Sprocket	vs	Belt
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Ignition Type		Analogue Cdi (capacitive Discharge Ign.)	vs	Digital Cdi
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Valve train			vs	Reed Valve, Variable
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Compression		7.4:1	vs	11.5:1
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Spark plug pipe type			vs	Ngk, C8re
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Motor oil			vs	Synthetic, 10w-40
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Funnel diameter			vs	0.71 inch
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Fuel capacity		2 gals	vs	2 gals
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Suspension, Chassis and Brakes
Brake		Disk, ø7.48 Inch	vs	Disk, ø7.48 Inch
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Suspension		Twin Shock, Swingarm	vs	Mono Shock, Swingarm
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Tire		140 / 60 R13	vs	130 / 60 R13 R
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Frame type		Steel	vs	Steel, Single Cradle Frame
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Tire pressure			vs	0.13 Psi, With Pillion: 0.14 Psi Withpilion
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Suspension travel		2 inch	vs	2.76 inch
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ABS available		No	vs	No	ABS (anti-lock braking system), prevents the brakes from locking when applied under constant pressure, by pulsating. ABS allows for more control while braking.
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Dimensions
Length		68.6 inch	vs	73.2 inch
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Wheel Base		49.4 inch	vs	50.8 inch
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Width		27.2 inch	vs	27.8 inch
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Seat Height		32.6 inch	vs	32.3 inch
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Dry weight			vs	198.4 lbs
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Height		46.1 inch	vs	44.1 inch
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Curb weight		213.8 lbs	vs	218.3 lbs
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Ground Clearance		7.28 inch	vs
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