SWM 150cc Engine Power Kit for SM 125R Euro 5

The SWM 150cc Engine Power Kit was developed to provide a high-performance, technical upgrade for the modern SM 125R Euro 5 range. This configuration is engineered to unlock the true potential of the powertrain, allowing riders to significantly enhance engine output and torque delivery while working in harmony with the latest generation of electronic fuel injection.

Built using premium-grade cast alloys and precision-machined components, the 150cc kit offers a high degree of thermal stability and mechanical endurance. The enhanced cylinder and piston assembly gives the motorcycle a distinct performance edge, highlighting the aggressive racing architecture of the SWM supermoto series.

PERFORMANCE ARCHITECTURE & TECHNICAL DETAIL

The kit is designed to replace the standard 125cc factory setup with a larger, highly optimized component. The manufacturing process focuses on maximizing volumetric efficiency and gas flow while maintaining a sophisticated, highly reliable engine profile.

Increased Displacement (150cc): The core of the upgrade is the expanded cylinder bore, seamlessly increasing the engine capacity to 150cc. This optimized geometry is used to manage higher combustion pressures effectively, delivering a substantial increase in low-end torque and peak horsepower.

CNC-Machined Tolerances: To ensure a vibration-resistant and airtight internal fit, the cylinder walls, piston, and rings are precision-machined to exacting tolerances. This reduces internal friction and ensures seamless mechanical integration with the OEM bottom end.

Thermal Management: The upgraded cylinder block is engineered with optimized water jackets and high-temperature resistant materials. This design choice guarantees superior heat dissipation and consistent operating temperatures, even under the heavy stress of aggressive riding.

Euro 5 Platform Integration: Designed specifically for the SM 125R Euro 5 generation, the kit is mapped and engineered to integrate flawlessly with the modern factory engine management systems, providing a crisp, immediate mechanical throttle response.

TECHNICAL SPECIFICATIONS