What is the engine displacement of the 2018 Aprilia RS 4 50?

The 2018 Aprilia RS 4 50 has an engine displacement of 49.9 ccm (3.04 cubic inches).

What is the seat height of the 2018 Aprilia RS 4 50?

The 2018 Aprilia RS 4 50 has a seat height of 820 mm (32.3 inches) If adjustable, lowest setting..

2018 Aprilia RS 4 50 Price, Specs, Review

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Review

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The 2018 Aprilia RS 4 50 is a beginner-friendly sportbike designed to introduce riders to the world of performance motorcycles. Its 49.9cc single-cylinder engine provides manageable power, making it an ideal stepping stone for young or inexperienced riders. While the engine might be small, it's paired with a 6-speed gearbox, allowing riders to learn essential gear-shifting skills. The RS 4 50 offers a sporty riding position with an 820mm seat height. The ergonomics encourage a slightly aggressive stance, but it remains accessible for a wide range of rider sizes. The 14.5-liter fuel tank provides ample range for daily commutes and weekend rides. Equipped with a 41mm upside-down fork, the front suspension offers decent handling capabilities. The single front disc brake with a radial 4-piston caliper provides adequate stopping power for the bike's performance. This motorcycle is perfect for riders who are new to sportbikes and looking for a stylish and confidence-inspiring machine. The Aprilia RS 4 50 offers the aesthetics of a larger sportbike in a smaller, more manageable package, allowing riders to develop their skills and build confidence on the road.

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Pros (Advantages)

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✅ Why buy this bike?

• Authentic sportbike styling provides a premium look, mimicking larger Aprilia RS models. • Excellent handling and lightweight chassis teach fundamental sport riding skills effectively. • Liquid-cooled, two-stroke engine delivers surprising zip for a 50cc, making it fun to ride. • High-quality components like inverted forks and a perimeter frame offer superior feel and stability. • Low running costs regarding fuel consumption and insurance make it an accessible entry point. • Perfect for younger riders (where legal) to gain experience before moving to larger motorcycles.

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Cons (Disadvantages)

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⚠️ Things to consider

• Limited top speed and acceleration, often struggling to keep pace on faster roads. • Maintenance for two-stroke engines can be more frequent and complex than modern four-strokes. • Very small fuel tank capacity requires frequent refueling on even short journeys. • Uncomfortable for larger adults due to its compact dimensions and aggressive riding position. • Resale value can be lower compared to more practical 50cc scooters or four-stroke models.

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License Class (EU)

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Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.

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Fuel Economy & Running Costs

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Estimated average for 50cc class: 75-100 mpg (2.5-3.5 L/100km)

⛽ Tank: 14.50 litres (3.83 US gallons)

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Insurance Class

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