ATHENA Big Bore 144CC 58mm Cylinder Kit for Yamaha

The ATHENA Big Bore 144CC Engine Kit with a 58 mm head is designed for those who want to push their motorcycle's performance to the next level. With a bore of 58 mm, this component allows for an optimized displacement of up to 144 cc, ensuring a significant increase in power and torque. The 4 mm increase over standard specifications enables the full potential of the engine to be utilized, providing a more responsive acceleration and a livelier response in every riding situation.

The compression ratio of 14.0:1 is designed to maximize fuel efficiency, contributing to high performance and greater engine responsiveness. This engine kit not only enhances performance but also offers a more thrilling riding experience, ideal for those who love to tackle the road with grit and determination. With the ATHENA Big Bore Engine Kit, every ride becomes an opportunity to explore new heights of power and control.

• Optimized displacement up to 144 cc
• Bore of 58 mm
• 4 mm increase over standard specifications
• Significant increase in power and torque
• More responsive acceleration
• Lively response in every riding situation
• Compression ratio of 14.0:1
• Maximization of fuel efficiency
• High performance
• Greater engine responsiveness
• Thrilling riding experience

Race Use Only - Not intended for road use