Reply To: 1956 Johnson 30hp Throttle Slippage

[Don]

OK, let’s start at the beginning.  I am assuming you are referring to the remote control throttle handle, and that it is creeping back.  Do I have it right?  There is no tiller handle on your engine so there is no friction disk in there.  Your cables must be very friction free indeed.  Unfortunately, there is no friction control on the older control boxes that I am assuming you have in that beautiful rig.  You surely want to make sure the coils are not dragging, like Lindy says.

Now that I think of it, later models did have a little friction control about the little throttle control knob (where the tiller used to be), but I don’t know if the early ones had it.  I’m sure the later model stuff could be adapted to your engine though.  I don’t know of any way to add a friction knob to your early control box though, and you probably want to keep it because it is period correct.