Aprilia RS50

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Aprilia RS50
2004 Aprilia RS50 in Black
Manufacturer Aprilia
Also called RS50 Tuono, RS 50 Tuono, RS50 Replica, RS 50 Replica, RS50 Replica SBK, RS 50 Replica SBK, RS50 Replica Alitalia, RS 50 Replica Alitalia, RS 50
Production 1998 - 2013
Class Sportbike
Engine single cylinder, two-stroke
Bore / Stroke 39.9mm x 40.0mm
Compression ratio 12.0.5:1
Ignition type electronic c.d.i.
Sparkplug NGK BR9ES '99-06
Battery YUASA YB4L-B '99-06
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: multi-plate
Suspension Front: 40 mm upside down fork
Rear: double reinforced member aluminium swingarm with bracing arch
Brakes Front: single disc. radial caliper with two 28 mm opposed pistons
Rear: single disc
Front Tire 110/80-17
Rear Tire 130/70-17
Wheelbase 51.57 inches (1310 mm)
Dimensions L 77.36 inches (1965 mm)
W 28.35 inches (720 mm)
H 44.8 inches (1138 mm)
Seat height 32.28 inches (820 mm)
Weight 196.21 pounds (89.0 Kg) (dry), 89.0 kg (wet)
Fuel capacity 3.43 Gallon (13.00 Liters)
Competition Honda NSR50, Yamaha YSR50
Manuals Service Manual
Tech Specs · Brochures · Reviews · Ads · Videos

The Aprilia RS50 was a single cylinder, two-stroke miniature sportbike motorcycle produced by Aprilia between 1998 and 2013.


The engine was a liquid cooled single cylinder, two-stroke. A 39.9mm bore x 40.0mm stroke result in a displacement of just 49.9 cubic centimeters.


The bike has a 6-speed transmission. Power was moderated via the multi-plate.


It came with a 110/80-17 front tire and a 130/70-17 rear tire. Stopping was achieved via single disc. radial caliper with two 28 mm opposed pistons in the front and a single disc in the rear. The front suspension was a 40 mm upside down fork while the rear was equipped with a double reinforced member aluminium swingarm with bracing arch. The RS50 was fitted with a 3.43 Gallon (13.00 Liters) fuel tank. The bike weighed just 196.21 pounds (89.0 Kg). The wheelbase was 51.57 inches (1310 mm) long.

1998 - 2006 Aprilia RS 50[edit]

Call it a motorcycle, call it a scooter, the Aprilia RS50 can be both of them. The aluminum frame, the aluminum swing arm, lightweight wheels with ‘Y’ spokes, radial caliper front brake, two-stroke engine, fairing based on that of the RSV 1000 R, are some of its main features. All of these plus the 50cc engine make it go as fast as 50 mph, but if you get rid of the electronic limitation you can cruise with 80 mph.


In Media[edit]