15290-RJA-000 Oil Jet Bolt - Overview. The 15290-RJA-000 Oil Jet Bolt is an essential component in Honda marine engine systems. This specialized bolt plays a crucial role in directing oil flow to key engine components, ensuring proper lubrication and optimal engine performance. Designed to exact factory specifications, the bolt integrates seamlessly with existing hardware to maintain engine durability and reliability under demanding marine conditions.. Key Features. Specialized bolt responsible