Introduction to the Aprilia SR 50 Models

Overview of the SR 50 Series

The SR 50 series was first introduced in 1992 and quickly established itself as a pioneer in the scooter segment. It is known for its innovative technology and dynamic design.

Aprilia SR 50 Sport (2002, ZD4RLA)

The model "Aprilia - SR 50 Sport (2002, ZD4RLA)" is a sporty scooter produced by the Italian manufacturer Aprilia in 2002. It belongs to the second generation of this model family, which was launched in 1997 with a revised design and technical improvements.
The SR 50 Sport was developed to offer riders in the 50 cc class a powerful and agile option with a sporty character, suitable for both urban use and dynamic riding.
This model is primarily aimed at riders seeking an agile vehicle with a distinctive appearance that can be ridden in many countries with a moped or AM license.

Technical Details

Technically, the Aprilia SR 50 Sport (2002, ZD4RLA) is powered by a single-cylinder two-stroke engine with a displacement of 49 cc. The engine is liquid-cooled and equipped with a carburetor, enabling an output of about 4.5 kW (6.1 hp) at 7,000 rpm.
The top speed is limited to about 45 km/h, with derestricted versions capable of reaching higher speeds depending on approval. The vehicle features a continuously variable CVT transmission, providing simple and direct power transfer.

Chassis and Brakes

The chassis consists of a hydraulic telescopic fork at the front with 90 mm travel and a single shock absorber at the rear, giving the scooter solid road handling.
The braking system includes a 190 mm diameter disc brake at the front and a 110 mm drum brake at the rear, providing reliable braking performance for this class.

Design and Color Variants

The Aprilia SR 50 Sport (2002, ZD4RLA) was available in several color variants, which could vary depending on the market. Common paint finishes include "Rosso" (Red), "Nero" (Black), and "Grigio" (Gray), often combined with sporty graphics that emphasized the model's dynamic character.

Aprilia SR 50 Stealth (LC, 1997, ZD4MR)

The model "Aprilia - SR 50 Stealth (LC, 1997, ZD4MR)" is a sporty scooter produced by the Italian manufacturer Aprilia in 1997. The SR 50 Stealth was developed to offer riders in the 50 cc class a powerful and agile option with a particularly aggressive and modern appearance.

Technical Details

Technically, the Aprilia SR 50 Stealth (LC, 1997, ZD4MR) is powered by a single-cylinder two-stroke engine with a displacement of 49 cc. The engine is liquid-cooled and equipped with a carburetor, enabling an output of about 4.5 kW (6.1 hp) at 7,000 rpm.
The top speed is limited to about 45 km/h, with derestricted versions capable of reaching higher speeds depending on approval. The vehicle features a continuously variable CVT transmission, providing simple and direct power transfer.

Chassis and Brakes

The chassis consists of a hydraulic telescopic fork at the front with 90 mm travel and a single shock absorber at the rear, giving the scooter solid road handling.
The braking system includes a 190 mm diameter disc brake at the front and a 110 mm drum brake at the rear, providing reliable braking performance for this class.

Design and Color Variants

The Aprilia SR 50 Stealth (LC, 1997, ZD4MR) was available in several color variants, which could vary depending on the market. Common paint finishes include "Nero" (Black) with red or gray accents and "Grigio" (Gray), often combined with graphics that emphasized the stealth character – inspired by stealth technology.