
Aprilia RS4 50
Key specifications
Overview
Introducing the 2017 Aprilia RS4 50, a striking entry into the sport motorcycle segment that expertly combines cutting-edge technology with a sporty aesthetic. Positioned for young riders and enthusiasts looking for a thrilling yet manageable experience, the RS4 50 embodies the spirit of performance and agility. With its sleek lines and aggressive stance, this bike not only turns heads but also promises an exhilarating ride that reflects Aprilia’s racing heritage. At the heart of the RS4 50 lies a feisty 49.90cc single-cylinder, two-stroke engine that delivers a punchy performance perfect for both urban commuting and spirited rides. With a compression ratio of 11.5:1 and a six-speed gearbox, this motorcycle offers a responsive throttle and seamless gear transitions, allowing riders to carve through corners with confidence. The liquid cooling system ensures optimal engine performance, while the electronic CDI ignition provides reliable starts and consistent power delivery. The agility of the RS4 50 is further enhanced by its lightweight design and nimble chassis, making it an ideal choice for those new to the sport or seasoned riders seeking a fun and lightweight companion. The Aprilia RS4 50 is packed with features that elevate the riding experience. Its advanced suspension system, featuring a 41mm upside-down fork at the front and an asymmetric swingarm with a monoshock at the rear, provides superb handling and stability, absorbing bumps with ease. The braking system, with a radial 4-piston caliper on a 300mm front disc and a 218mm rear disc, ensures strong stopping power, giving riders the confidence to push their limits. Additionally, the electric starter and a fuel capacity of 14.50 liters (3.83 gallons) ensure that the RS4 50 is ready for both quick rides and longer journeys, while the choice of vibrant black or yellow color options allows for personalization. **
Pros
- Lightweight and Agile: The compact design and low seat height make the RS4 50 easy to maneuver, perfect for novice riders.
- Strong Performance: The potent two-stroke engine provides an exciting power delivery that makes every ride exhilarating.
- Advanced Braking and Suspension: Equipped with high-quality brakes and a sophisticated suspension system, riders can enjoy precise handling and confidence-inspiring stopping power.
Cons
- Limited Power for Experienced Riders: While ideal for beginners, seasoned riders may find the 50cc engine lacking in absolute power.
- Two-Stroke Maintenance: The two-stroke engine requires more frequent maintenance and care compared to four-stroke counterparts.
- Adjustable Seat Height Not Standard: Although the seat height is suitable for many, it is fixed at 820 mm, which may not accommodate all riders comfortably without aftermarket adjustments.
Technical details
Source specification data
- Make
- Aprilia
- Model
- RS4 50
- Category
- Sport
- Starter
- Electric
- Instruments
- LCD screen
- Color Options
- Black, yellow
- Clutch
- Multiplate wet clutch
- Gearbox
- 6-speed
- Ignition
- Electronic with CDI capacity discharge
- Driveline
- Chain
- , 11/53.
- Primary
- drive:
- Gears
- , 21/78.
- Fuel System
- Carburettor
- 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
- Single cylinder, two-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 Length
- 1,953 mm (76.9 inches)
- Reserve Fuel Capacity
- 3.30 litres (0.87 gallons)
- Rear Tyre
- 130/70-17
- Front Tyre
- 100/80-17
- Rear Brakes
- Single disc
- Front Brakes
- Single disc. Radial 4 piston calliper
- Rear Suspension
- Asymmetric swingarm with monoshock
- Front Suspension
- 41 mm upside down fork
- Rear Wheel Travel
- 122 mm (4.8 inches)
- Front Wheel Travel
- 110 mm (4.3 inches)
- Rear Brakes Diameter
- 218 mm (8.6 inches)
- Front Brakes Diameter
- 300 mm (11.8 inches)