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Compare	Yamaha Aerox SP55 2011	VS	Vespa PX 125 2011	Add another Item to this comparison Add Item
				Overview: There are 24 differences and 16 similarities between Yamaha Aerox SP55 2011, Vespa PX 125 2011

General Information
Category		Scooter	vs	Scooter
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Model Year		2011	vs	2011
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Manufacturer		Yamaha	vs	Vespa
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Model #		Aerox Sp55	vs	Px 125
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Number of riders		2 persons	vs	2 persons
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Maximum Speed			vs	54.06 mph
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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 4-speed
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Displacement		49 cc (2.99 cubic inches)	vs	123 cc (7.52 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	8.97 HP (6.6 kW)	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	9.6 Nm (7.08 lb-ft)	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	Diagonal	Most scooter engines are transverse mounted.
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Sparks per cylinder		1	vs	1
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Clutch		Centrifugal Clutch	vs	Wet, Centrifugal Clutch, Cable Operated
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Starter		Electric / Kick-starter	vs	Electric / Kick-starter	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	Air Cooled
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Bore × stroke		2 inch × 1.54 inch (square)	vs	2 inch × 2.24 inch (undersquare - longstroke)
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Fuel supply system		Carburetor	vs	Carburetor
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Lubrication system		Oil Pump	vs	Oil Pump
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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	Sohc, Variable
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Compression		7.4:1	vs
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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	Drum, ø5.91 Inch
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Suspension		Twin Shock, Swingarm	vs	Mono Shock, Mono Arm
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Tire		140 / 60 R13	vs	89 / R10
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Frame type		Steel	vs	Steel, Monocoque Frame
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Suspension travel		2 inch	vs
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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	71.3 inch
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Wheel Base		49.4 inch	vs	49.6 inch
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Width		27.2 inch	vs	29.1 inch
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Seat Height		32.6 inch	vs	31.9 inch
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Dry weight			vs	213.8 lbs
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Height		46.1 inch	vs
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Curb weight		213.8 lbs	vs
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Ground Clearance		7.28 inch	vs
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