Back to Bike FinderYears: 2021 · 2020 · 2019 · 2013 · 2012 · 2011 · 2010 · 2009 · 2008 · 2007 · 2006 · 2005 · 2003 · 2002 · 1998
Kymco RS 50
2021Sportbike

Kymco RS 50

Key specifications

Engine
50 cc
Fuel type
petrol
Fuel capacity
3.8 L
Transmission
6-speed
Seat height
32 mm
Front brakes
Single disc. Radial caliper with two 28 mm opposed pistons
Rear brakes
Single disc. Single piston calliper

Overview

Introducing the 2021 Aprilia RS 50, a nimble and spirited entry into the world of sport motorcycles, designed specifically for young riders and enthusiasts looking for an exhilarating ride without sacrificing performance. Positioned as an ideal choice for those new to the sportbike scene, the RS 50 combines lightweight agility with cutting-edge technology, making it a standout in the 50cc category. With its aggressive styling and racing pedigree, the RS 50 not only captures attention on the road but also offers a taste of the thrilling performance that Aprilia is renowned for. At the heart of the RS 50 lies a robust single-cylinder, two-stroke engine, boasting a displacement of 50cc and a compression ratio of 11.5:1. This lively powerplant, equipped with a Dell’Orto PHVA carburettor, delivers exhilarating acceleration, making urban commuting or weekend rides an absolute joy. The 6-speed gearbox allows for smooth gear changes, enhancing the riding experience while ensuring that the bike remains responsive and fun to handle. With a fuel consumption of just 2.49 litres per 100 km (approximately 94.47 miles per gallon), riders can enjoy extended outings without constantly worrying about refueling—perfect for both daily commutes and spirited rides through twisty back roads. The Aprilia RS 50 is not just about the engine; it also features a sophisticated chassis and suspension setup that contributes to its remarkable handling. The lightweight aluminum perimeter frame provides exceptional rigidity, while the 40 mm upside-down front fork and asymmetrical swingarm with a Monoschock absorber deliver a plush yet sporty ride. Stopping power comes from a single disc brake at the front, featuring a radial caliper with two opposed pistons, complemented by a single-piston rear brake. With a seat height of 820 mm, the RS 50 accommodates a range of rider heights, making it accessible for newcomers to the sport, while its sleek design and aggressive colors—Silver Speed and Black Speed—add to its striking presence. In summary, the 2021 Aprilia RS 50 is a compelling option for those eager to dive into the exhilarating world of sport motorcycles. With its superior handling, efficient engine, and eye-catching design, it promises an unforgettable riding experience, whether you're navigating city streets or enjoying a scenic ride on the open road.

Pros

  • Lightweight and Agile: At 132 kg (291 lbs), the RS 50 offers excellent maneuverability, making it perfect for urban riding and cornering.
  • Fuel Efficient: With a fuel consumption rate of 2.49 litres/100 km, it ensures that riders can enjoy longer rides without the frequent need for refueling.
  • Sporty Design: The aggressive styling and racing heritage of the Aprilia brand make the RS 50 visually appealing and exciting to ride.

Cons

  • Limited Power: As a 50cc bike, it may not satisfy riders looking for higher performance or speed.
  • Smaller Fuel Tank: The 14.5-litre (3.83-gallon) fuel capacity may require more frequent stops on longer journeys.
  • Comfort for Longer Rides: While it excels in short-distance agility, the sport-oriented position may become less comfortable over extended rides.

Technical details

Source specification data

Make
Aprilia
Model
RS 50
Category
Sport
Starter
Electric
Electrical
Battery: 12V – 4Ah
Color Options
Silver Speed, Black Speed
Carrying Capacity
Storage compartment
Clutch
Multi-plate
Gearbox
6-speed
Ignition
Elettronica C.D.I.
Driveline
Primary
drive:
Gears
.
Ratio
: 21/78.
Final
drive:
Chain
.
Ratio
: 14/53
Fuel System
Carburettor. Dell’Orto PHVA - Ø14
Bore X Stroke
39.9 x 40.0 mm (1.6 x 1.6 inches)
Compression
11.5:1
Displacement
50.0 ccm (3.05 cubic inches)
Cooling System
Liquid
Engine Details
Single cylinder, two-stroke
Emission Details
Euro 4
Fuel Consumption
2.49 litres/100 km (40.2 km/l or 94.47 mpg)
Greenhouse Gases
O2
g/km. (
O2
-
Carbon
dioxide emission)
Lubrication System
Automatic mixer
Transmission Type Final Drive
Chain
Seat Height
820 mm (32.3 inches) If adjustable, lowest setting.
Fuel Capacity
14.50 litres (3.83 gallons)
Overall Width
720 mm (28.3 inches)
Overall Height
1138 mm (44.8 inches)
Overall Length
1965 mm (77.4 inches)
Weight Incl Oil Gas Etc
132.0 kg (291.0 pounds)
Wheels
6 split spoke wheel rim in lightweight alloy
Rear Tyre
130/70-17
Frame Type
Aluminium perimeter frame
Front Tyre
100/80-17
Rear Brakes
Single disc. Single piston calliper
Front Brakes
Single
disc.
Radial
caliper with two 28 mm opposed pistons
Rear Suspension
Asymmetrical
swingarm,
Monoschock
absorber
Front Suspension
40 mm upside down fork
Rear Wheel Travel
110 mm (4.3 inches)
Front Wheel Travel
110 mm (4.3 inches)

Available colors

Silver SpeedBlack Speed