The 1987 Yamaha Venture XVZ1300 front brake lever master cylinder is a genuine Yamaha part designed specifically for street motorcycles. It includes the master cylinder cap and brake booster, making it a complete and necessary component for controlling the braking system of the motorcycle. This right-side master cylinder with reservoir is compatible with the Yamaha Venture XVZ1300 model from 1987, providing a reliable and essential part for maintaining and restoring the braking system of the motorcycle.