90206-ZE1-000 Pivot Adjusting Nut - Overview. The 90206-ZE1-000 Pivot Adjusting Nut is a critical component in Honda marine engine systems, specifically designed for precision adjustment of the pivot point within the engine's mechanical assembly. Its role is crucial in maintaining proper alignment and functionality in Honda GX engines, including GX120, GX160, GX200, GX240, GX270, GX340, and GX390. This OEM genuine part guarantees compatibility with factory specifications, ensuring seamless integ