
Aprilia RS4 50
Key specifications
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)