FEATURES
 
The 321 ESTREMO™ is the first engine of REDS Racing’s new X Line, combining Italian engineering with Japanese precision from O.S. Engines. This 3-port engine delivers exceptional torque and instant throttle response, ideal for technical tracks and big jumps. The cylinder design and ultra-lightweight piston optimize air-fuel mixture flow, maximizing overall power output. The AirBoost™ backplate and 21J carburetor with Venturi XFlow™ ensure easy tuning, improved efficiency, and consistent performance on every track.
Manufactured in Japan and assembled by Mario and Marco Rossi, the 321 ESTREMO™ represents the perfect fusion of Italian racing passion and Japanese craftsmanship.