Aprilia RS50

The Aprilia RS50 is a sport moped made by Aprilia.[1] The model made until 2005 was powered by a single cylinder two-stroke aluminium cylinder block, liquid cooled 49.7 cc (3.03 cu in) Motori-Minarelli AM6 engine. The new model, made since 2006, uses a single cylinder two-stroke aluminium cylinder block, liquid cooled 49.9 cc (3.05 cu in) engine made by Derbi, the D50B0. The bike is popular in countries that have restrictions on motorcycle engine size at specific ages. In restricted form the RS50 is capable of speeds of 50 km/h (30 mph), as per the laws in many European countries for those aged 16. In derestricted form, the 1997 model was tested at a speed of 105 km/h (65 mph).[1] This and other similar machines such as the Derbi GPR 50 and Yamaha TZR50 have also been popular choices as a more adult-sized option for MiniGP racing, which is otherwise more commonly participated in by riders of smaller bikes such as the Honda NSR50.

Aprilia RS50
ManufacturerAprilia
ClassSport bike/sport moped[1]
Engine49.9 cc (3.05 cu in) single cylinder two-stroke, liquid cooled
Bore / stroke39.86 mm × 40.0 mm (1.569 in × 1.575 in)
Compression ratio11.5:1
Top speed30mphConvert
Ignition typeCDI
TransmissionWet clutch, six speed, chain, chain final drive
Frame typeCast aluminium, box section, sloping twin-spar frame
SuspensionFront:: 40 mm (1.6 in) upside down fork, wheel travel 120 mm (4.7 in)
Rear: Double member swing-arm with hydraulic monoshock, wheel travel 120 mm (4.7 in)
BrakesFront: 300 mm (12 in) disc
Rear: 180 mm (7.1 in) disc
Tires17 in (430 mm) tubeless radial, front 110/80, rear 130/70
Wheelbase1,280 mm (50 in)
DimensionsL: 1,920 mm (76 in)
W: 675 mm (26.6 in)
H: 1,115 mm (43.9 in)
Seat height810 mm (32 in)
Weight89.5 kg (197 lb)[1] (dry)
Fuel capacity13 l (2.9 imp gal; 3.4 US gal)

Notes
  1. Gordin, Joel (October 14, 1997), "Easy rider", The Jerusalem Post,  – via HighBeam (subscription required) , archived from the original on September 11, 2016
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