87121-ZVK-010 Rr (bf225) Mark - Overview. The 87121-ZVK-010 Rr (bf225) Mark is a genuine Honda marine engine component designed to support the aesthetic marking system on the rear of the BF225 outboard engine. This part plays an important role in maintaining the factory appearance and identification of your Honda marine engine systems. Engineered for optimal compatibility and durability, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Fea