Yamaha Case, Starter - 6BL-15711-01-00. Durable Yamaha Starter Case for Efficient Engine Operation. The Yamaha Case, Starter - 6BL-15711-01-00 is a high-quality OEM replacement part designed to house your Yamaha engine's starter mechanism, providing a secure and durable casing for reliable engine startup. This starter case ensures that your engine's starting system operates smoothly, preventing damage to the internal components and helping to extend the lifespan of your Yamaha engine.. Key Featu