Aprilia SR 50 Racing LC (Aprilia/Morini Engine) – General Information
Introduced in 1992, the Aprilia SR 50 quickly became one of the flagship models for the Italian brand. Its sporty design was directly inspired by Grand Prix machines and looked extremely modern for its time. Over the years, the model range was constantly developed. The Racing version brought several upgrades over the standard model to provide a significantly sportier riding experience.
Optimizations included a transmission with a long-stroke configuration, a more aggressive ramp plate, and stiffer clutch springs for better acceleration. Additionally, the carburetor settings were optimized to the limit of legal regulations. Visually, sporty graphics with MotoGP designs emphasized the racing character of the scooter.
Between 2000 and 2003, the SR 50 Racing was equipped with the Aprilia/Morini engine, marking a transition phase in the model's history. This version featured specific components such as a 12 mm Keihin carburetor.
This variant is somewhat more demanding when searching for spare parts, as there are fewer components available compared to other SR 50 engines. It is also not considered the best in terms of reliability and tuning potential. This only changed from 2003 onwards with the switch to the Piaggio engine, which is known for its robustness and the huge selection of tuning parts.
Aprilia SR 50 Racing (2000–2003) → Aprilia Engine
Engine
This model is powered by a liquid-cooled Aprilia/Morini 2-stroke single-cylinder engine with a displacement of 49 cc. Fuel mixture is handled by a 12 mm Keihin carburetor, tuned specifically for the Racing version. The liquid cooling ensures optimal temperature control and keeps the engine block within the safe range even during sporty riding.
- Engine: Aprilia/Morini 2-stroke single-cylinder
- Displacement: 49.4 cc
- Cooling: liquid-cooled
- Intake: reed valve
- Start: electric and kick starter
- Transmission: CVT variator and belt
Chassis
The chassis of the Racing version is designed for stability and safety. A key feature of this series is the dual disc brake system. The suspension absorbs bumps, with the engine block serving as a load-bearing element for the rear. The 13-inch rims ensure high stability, while the brake discs on both axles provide reliable deceleration.
- Front suspension: telescopic fork
- Rear suspension: hydraulic shock absorber
- Front brake: disc brake Ø 190 mm
- Rear brake: disc brake Ø 190 mm
- Tires (front/rear): 130/60 x 13" / 130/60 x 13"
- Fuel tank capacity: 6.5 liters
Aprilia SR 50 Tuning – Our Range
In our shop, you will find everything needed for the maintenance or repair of your scooter, as well as plenty of tuning parts. We stock SR 50 exhaust systems, SR 50 cylinders, original carburetors for Aprilia SR 50 LC and many other parts for your SR 50.
