if you're meaning the button on top of the starter isn't making electrical contact, that's a problem inside the box under the button, not with the linkage to it, unless there's extreme wear on the [non-adjustable] linkage
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics