08361-34064AH Engine Cover - Overview. The 08361-34064AH Engine Cover is a crucial component designed for Honda marine engine systems, specifically for outboard motors like the BF9.9 and BF15A series. It plays an essential role in protecting the engine from external elements, contributing to the engine's acoustic performance and overall appearance. Made to meet Honda's exacting specifications, this engine cover ensures seamless integration with existing parts, maintaining optimal performance and