One is a Ted Williams 9.9 not sure of year.Other is a Mercury 4.5 guessing 70s or eighties. Problem is on the Mercury the throttle linkage has a plastic piece that slides over a splined shaft and is split in half and even merucury says part unavailable. Any ideas where to find parts? Every place I've looked says the same thing. After that is fixed I'll dive into both and see what other problems they have for not starting