This throttle return spring is specifically designed for Kawasaki FR651V, FR730V, and FS730V engine models. As a precision-engineered component, with part numbers 92145-1812 and 92145-7058, it serves as an equivalent replacement for OEM parts, ensuring reliable performance and long-lasting durability. This vehicle-specific accessory is ready to install without assembly, weighing only 0.01 pounds for easy operation. The spring kit includes all necessary components for complete replacement. Its quality and durability are trustworthy. This replacement ensures smooth operation of your Kawasaki engine throttle mechanism, maintaining optimal engine performance and reliable starting. It is the ideal choice for professional mechanics and DIY enthusiasts looking to restore the functionality of their sportbike engines, guaranteeing stable performance with reliable precision.