The motorcycle tool is designed to provide precise and stable adjustments to your 's fuel and air mixture. By using this vacuum gauge , you can ensure that your motorcycle's operates at peak performance. This tool is essential for maintaining the balance and synchronization of your carburetors, providing a smooth and reliable riding experience. Features -Color:Black -Material:Stainless steel, Rubber, Copper, ABS -Size:8.50X7.70X2.50cm/3.34X3.03X0.98in - smoothness: ensures smooth operation by accurately the carburetors, reducing vibrations and enhancing performance -Exact vacuum balancing: provides precise vacuum pressure adjustments, allowing for optimal and improved fuel efficiency -Essential: this tool is essential for maintaining the balance and synchronization of your carburetors, providing a smooth and reliable riding experience -Internal pressure adjustment: helps in adjusting the internal pressure of the cylinder, contributing to better health and longevity -Reliable fuel supply: the vacuum gauge ensures a consistent and stable fuel supply, enhancing the overall reliability of your motorcycle Package list: 1 x motorcycle balance meter