Compatible with Yamaha DT125, RS125, and DT125 motorcycles (two-stroke 125cc) intake reed valve systems. Spare parts for the intake reed valve - High-quality construction, wear-resistant and corrosion-resistant, providing longer service life. - Reed valve system designed to improve the efficiency of conventional reed valve designs, boosting engine power and throttle response. - Precise design that is rust- and wear-resistant, easy to install and easy to store. Key benefits - Enhances engine performance and faster throttle response. - Durable materials extend component life in demanding riding conditions. - Simple installation with reliable operation. Use scenarios - Replace a worn reed valve on a Yamaha DT125 to restore throttle response and peak power. - Upgrade the RS125 intake to improve air-fuel intake efficiency during high RPM riding. - Use as a maintenance upgrade for 125cc two-stroke street or light racing setups to extend life and reliability.