34300-ZV7-000AH BF25/30 PTT Relay BX - Overview. The 34300-ZV7-000AH BF25/30 PTT Relay BX is an essential electrical component designed specifically for Honda marine power trim and tilt systems on BF25 and BF30 outboard engines. This relay controls the movement of the engine's tilt and trim functions, enabling smooth and reliable adjustment of the outboard motor's angle for optimal performance and handling. As a genuine OEM component, it ensures seamless integration with existing parts, maintain