Set of 6 BB8E548100 Bolt, engine cover nut for Yamaha Tricity 155, Aerox 155, XMAX, and NMAX is designed for optimal performance and durability. Each nut is crafted with precision to ensure a secure fit, facilitating easy installation and maintenance. The distinct black finish adds a sleek look, enhancing the aesthetic appeal of your engine cover while providing essential protection. This genuine Yamaha part guarantees compatibility and reliability, making it an essential component for your vehicle.