Aprilia SR 50 R - 2011 Specifications and Reviews

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About the Aprilia SR 50 R

Powered by an air-cooled Euro 2 compliant 49cc single cylinder two stroke engine, producing 4bhp.

The front of the seat has an additional glovebox while the underseat compartment fits some full face helmets. De-restricted the top speed increases from 30mph to 50mph.

The base SR50 Motard is carbureted while the top of the line SR50 R features electronic fuel injection, liquid cooling, 190mm disc brakes both ends and 13" wheels.

Accessories include a rear luggage rack, 32 litre top box, racing shock, screen and side stand.

2017: Euro 4 engine upgrades

Engine and Transmission Specifications

Clutch:Automatic centrifugal dry clutch
Transmission type,final drive:Belt
Cooling system:Liquid
Lubrication system:Separate mixing with mechanical oil pump
Ignition:Capacitor discharge ignition
Fuel system:Carburettor
Bore x stroke:40.0 x 39.3 mm (1.6 x 1.5 inches)
Engine type:Single cylinder, two-stroke
Capacity:49.00 ccm (2.99 cubic inches)

Model:Aprilia SR 50 R

Brakes, suspension, Frame and wheels

Wheels:Five spoke, light alloy wheels
Rear brakes diameter:190 mm (7.5 inches)
Rear brakes:Single disc
Front brakes diameter:190 mm (7.5 inches)
Front brakes:Single disc
Rear tyre dimensions:130/60-13
Front tyre dimensions:130/60-13
Rear suspension travel:70 mm (2.8 inches)
Rear suspension:Engine unit acting as swingarm
Front suspension travel:90 mm (3.5 inches)
Front suspension:Hydraulic fork
Frame type:Split single cradle frame in high tensile strength steel tube

Physical measures and capacities

Fuel capacity:7.00 litres (1.85 gallons)
Wheelbase:1,290 mm (50.8 inches)
Overall width:705 mm (27.8 inches)
Overall length:1,860 mm (73.2 inches)
Overall height:1,120 mm (44.1 inches)
Seat height:820 mm (32.3 inches) If adjustable, lowest setting.
Dry weight:199.0 kg (438.7 pounds)

Other specs

Comments:Racing driver and race car manufacturer Dan Gurney is the inventor of the Alligator motorcycle.
Wheelbase:1,524 mm (60.0 inches)
Rear wheel travel:114 mm (4.5 inches)
Rear Suspension:Dual Shock absorbers
Front wheel travel:109 mm (4.3 inches)
Front Suspension:43mm inverted cartridge fork
0-100 km/h (0-62 mph):3.100 seconds
Top speed:225.3 km/h (140.0 mph)
Engine details:Honda engine
Capacity:710.00 ccm (43.32 cubic inches)
Model:Alligator A-6
Color options:Blue, white, black, yellow
Electrical:Generator: Flywheel-magneto, 70 W 12 V

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