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Upgrade your scooter's performance with the ATHENA Big Bore Cylinder Kit designed specifically for vertical engines from popular brands like Yamaha, Aprilla, and MBK. This comprehensive kit includes a complete aluminum cylinder featuring a nickel carbide plated bore for enhanced durability and wear resistance. The set also includes a high-performance domed piston head, piston, rings, 10 mm wrist pin, circlips, carbon reeds, and all necessary top-end gaskets, ensuring a seamless installation process. The bolt-on design allows for straightforward assembly without modifications to the engine crankcase, making it an ideal upgrade for enthusiasts seeking increased engine output.
For optimal performance, it is recommended to pair this kit with ATHENA's 17.50 mm or 19.00 mm scooter carburetor, which complements the increased displacement and ensures proper airflow and fuel mixture. When disassembling the cylinder, always replace the gaskets with the dedicated Athena spare gasket kit to prevent leaks and maintain engine integrity. Avoid using original equipment replacement gaskets, as the Athena gaskets are specifically designed for this kit, ensuring a perfect fit and reliable performance.
Constructed with high-quality materials, the ATHENA Cylinder Kit offers a robust upgrade that can withstand the rigors of high-performance riding. Its lightweight design, weighing approximately 44.8 ounces, helps maintain optimal engine balance and performance. Whether you're upgrading for increased power, better throttle response, or enhanced durability, this kit provides a reliable solution for scooter enthusiasts looking to improve their ride's capabilities without extensive modifications.
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