15290-PRA-000 Oil Jet Bolt - Overview. The 15290-PRA-000 Oil Jet Bolt plays a crucial role in the Honda marine engine systems. This bolt is engineered to deliver precise oil spraying for lubrication, supporting efficient operation of engine components and reducing wear. By ensuring seamless oil delivery, it helps maintain engine reliability and smooth function, making it an essential part of the oiling system. Designed to match factory specifications, it ensures seamless integration with existin