Aprilia SR 50 Factory (2015)

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The Aprilia SR 50 Factory is a two-stroke, single-cylinder motorcycle with a capacity of 49 cc. It has a liquid-cooled cooling system and a wet sump forced lubrication system with mechanical pump. The motorcycle also features electronic direct fuel injection and an electric starting system. Its maximum power is 4.0 kW / 5.4 hp at 8500 rpm, while the maximum torque is 4.7 Nm / 0.48 kgf-m / 3.5 lb-ft at 8500 rpm.

The Aprilia SR 50 Factory has a continuous automatic variator transmission and a V-belt final drive. The frame is a split single cradle frame made of high tensile strength steel tube, while the front suspension is a telescopic hydraulic fork with a front wheel travel of 76 mm / 3.0 in. The rear suspension consists of an engine unit that acts as a swingarm and frame linkages on two radial silent block mountings, with a rear wheel travel of 70 mm / 2.8 in.

The Aprilia SR 50 Factory features front and rear brakes made of stainless steel discs and twin opposed pistons. The wheels are made of aluminum alloy and the front and rear tires are 130/60-13. The motorcycle’s dimensions are as follows: length is 1860 mm / 73.2 in; width is 805 mm / 31.7 in; wheelbase is 1120 mm / 44.1 in; and seat height is 820 mm / 32.3 in. Its fuel capacity is 7 L / 1.9 US gal, with a reserve of 1.5 L / 0.4 US gal.

Technical specifications:

Make Model: Aprilia SR 50 Factory

Year: 2015


Engine: Two stroke, single cylinder
Capacity: 49 cc / 3.0 cu in
Bore x Stroke: 39 x 41.35 mm
Cooling System: Liquid cooled
Lubrication: Wet sump forced lubrication system with mechanical pump
Exhaust: Single, Euro 2
Induction: Electronic direct fuel injection
Starting: Electric
Max Power: 4.0 kW / 5.4 hp @ 8500 rpm
Max Torque: 4.7 Nm / 0.48 kgf-m / 3.5 lb-ft @ 8500 rpm
Transmission: Continuous automatic variator
Final Drive: V-belt
Frame: Split single cradle frame in high tensile strength steel tube
Front Suspension: Telescopic hydraulic fork
Front Wheel Travel: 76 mm / 3.0 in

Rear Suspension: Engine unit acting as swingarm; frame linkages on two radial silent block mountings
Rear Wheel Travel: 70 mm / 2.8 in
Front Brakes: ~A190 mm Stainless steel disc brake with twin opposed pistons
Rear Brakes: ~A190 mm Stainless steel disc, racing caliper with twin opposed pistons
Wheels: Aluminium alloy
Front Tyre: 130/60-13
Rear Tyre: 130/60-13
Dimensions: Length: 1860 mm / 73.2 in Width: 805 mm / 31.7 in
Wheelbase: 1120 mm / 44.1 in
Seat Height: 820 mm / 32.3 in
Fuel Capacity: 7 L / 1.9 US gal
Reserve: 1.5 L / 0.4 US gal

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