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Aprilia RS4 50
2012Sportbike

Aprilia RS4 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
Rear brakes
Single disc

Overview

Introducing the 2012 Aprilia RS4 50, a spirited addition to the world of sport motorcycles that perfectly balances lightweight agility and spirited performance. Tailored for new riders and enthusiasts seeking a thrilling yet manageable ride, the RS4 50 is a standout in the entry-level sport bike segment. With its racetrack-inspired styling and performance-driven engineering, this motorcycle embodies the essence of Aprilia's racing heritage, making it an exciting choice for those looking to make their mark on the road. At the heart of the RS4 50 is a vibrant 49.90 cc V2 four-stroke engine, designed to deliver an exhilarating ride with a compression ratio of 11.5:1. This compact powerhouse breathes life into the bike with a responsive 6-speed gearbox that ensures smooth and precise gear changes, allowing riders to fully exploit its top-end potential. The engine's liquid cooling system maintains optimal temperatures even during spirited rides, ensuring consistent performance. With a bore and stroke of 39.9 mm, the RS4 50 offers a lively throttle response, making it an engaging option for both city commuting and spirited weekend rides. The 2012 RS4 50 is more than just an engine; it’s a well-crafted machine equipped with advanced technology and features that enhance the overall riding experience. Its robust chassis is complemented by a 41 mm upside-down fork at the front with 110 mm of wheel travel and an asymmetric swingarm with a monoshock at the rear providing 130 mm of travel, ensuring a smooth and stable ride through corners and uneven surfaces. The braking system features a single 300 mm front disc and an 218 mm rear disc for confident stopping power. Plus, with a comfortable seat height of 820 mm, it caters well to a variety of rider heights, making it accessible for many. **

Pros

  • Lightweight and Agile: The compact dimensions and low weight make the RS4 50 incredibly nimble, allowing for effortless maneuverability in tight corners and urban environments.
  • Sporty Design: Its aggressive styling, inspired by Aprilia's racing lineage, turns heads and gives riders the confidence of a true sportbike.
  • Advanced Suspension and Braking: The combination of quality suspension components and effective braking system enhances ride quality and safety, making it suitable for both new and experienced riders.

Cons

  • Limited Power for Advanced Riders: While great for beginners, experienced riders may find the 49.90 cc engine’s power limited for more aggressive riding styles or longer highway trips.
  • Not Ideal for Long Distances: The small fuel tank (14.5 liters) may necessitate more frequent stops during longer rides compared to larger sport motorcycles.
  • Seat Comfort: Some riders may find the seat less comfortable for extended periods, particularly on longer journeys, which could be a consideration for those looking for versatility in their riding experience.

Technical details

Source specification data

Make
Aprilia
Model
RS4 50
Category
Sport
Starter
Electric
Color Options
White, black, red/white/green
Clutch
Multiplate wet clutch
Gearbox
6-speed
Ignition
Electronic with CDI capacity discharge
Driveline
Chain
, 11/53.
Primary
drive:
Gears
, 21/78.
Bore X Stroke
39.9 x 39.9 mm (1.6 x 1.6 inches)
Compression
11.5:1
Displacement
49.90 ccm (3.04 cubic inches)
Cooling System
Liquid
Engine Details
V2, four-stroke
Emission Details
Euro 2
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
740 mm (29.1 inches)
Overall Height
1,138 mm (44.8 inches)
Overall Length
1,953 mm (76.9 inches)
Wheels
In light alloy with 6 split spokes, with sealing profile for tubeless tyres; front: 2.75 x 17in.; rear: 3.50 x 17in.
Rear Tyre
130/70-17
Front Tyre
100/80-17
Rear Brakes
Single disc
Front Brakes
Single disc
Rear Suspension
Asymmetric swingarm with monoshock, wheel travel 130 mm
Front Suspension
41 mm upside down fork, wheel travel 110 mm
Rear Brakes Diameter
218 mm (8.6 inches)
Front Brakes Diameter
300 mm (11.8 inches)

Available colors

Whiteblackred/white/green