The Honda 28410-Z0D-V02ZA Recoil Starter Case NH1 houses and supports the recoil starter components on compatible Honda engines. The case provides the mounting structure for the starter assembly and related internal components, helping maintain proper alignment during manual engine starting. Honda parts references identify it as a black NH1 recoil starter case for compatible GX100 eng... https://www.wholetoolbox.com/honda-28410-z0d-v02za-recoil-starter-case-nh1/28410-Z0D-V02ZA.html