APRILIA 125 Rotax 122 Engine

The **APRILIA 125 Rotax 122 Engine** is a high-performance, liquid-cooled, single-cylinder engine that delivers exceptional power and efficiency. It is the heart of the APRILIA 125 motorcycle, renowned for its agile handling, impressive acceleration, and thrilling riding experience.

### Technical Highlights:

- **Displacement:** 124.8 cc
- **Bore x Stroke:** 54 mm x 54.5 mm
- **Compression Ratio:** 12.8:1
- **Maximum Power:** 15.0 hp (11.0 kW) @ 10,000 rpm
- **Maximum Torque:** 11.8 Nm (8.7 lb-ft) @ 8,250 rpm
- **Valve Train:** Single overhead camshaft (SOHC) with four valves per cylinder
- **Fuel Delivery:** Electronic fuel injection (EFI) with 38 mm throttle body
- **Ignition:** Digital electronic ignition (CDI)
- **Cooling:** Liquid-cooled with thermostatically controlled radiator
- **Lubrication:** Wet sump with semi-synthetic oil

### Engineering Excellence:

The APRILIA 125 Rotax 122 Engine is a testament to engineering excellence, featuring a host of advanced technologies that optimize its performance and durability.

- **Advanced Combustion Chamber:** The engine utilizes a high-compression combustion chamber with a centrally located spark plug to deliver optimal fuel burn, maximizing power and efficiency.
- **Single Overhead Camshaft:** The SOHC design reduces friction and weight, while the four-valve configuration improves airflow and scavenging, resulting in increased power and torque.
- **Electronic Fuel Injection:** The EFI system ensures precise fuel metering and atomization, optimizing performance throughout the entire rev range.
- **Digital Electronic Ignition:** The CDI system provides a precise and reliable ignition timing, ensuring consistent engine operation and smooth acceleration.
- **Liquid Cooling:** The liquid-cooling system effectively dissipates heat from the engine, maintaining optimal operating temperatures and extending engine life.

### Performance and Refinement:

The APRILIA 125 Rotax 122 Engine delivers an exhilarating riding experience, combining raw power with exceptional smoothness and refinement.

- **Linear Power Delivery:** The engine's carefully tuned power curve provides a linear and predictable power delivery, making it easy to control and enjoyable to ride.
- **Responsive Acceleration:** The engine's high-revving nature and ample torque provide instant acceleration, allowing riders to effortlessly overtake and navigate traffic.
- **Superior Handling:** The lightweight and compact design of the engine contributes to the motorcycle's agile handling and precise steering, enhancing the rider's confidence and control.

### Conclusion:

The APRILIA 125 Rotax 122 Engine is a masterpiece of engineering, providing an exhilarating and refined riding experience. Its exceptional power, efficiency, and durability make it the perfect choice for riders seeking a high-performance motorcycle that delivers both thrills and practicality.

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