After having a good look it seems most of the gear is already there for cable attachement. It is under the fuel tank near the base. There is even the cable sheath retainer/clip.

[Linked Image from i3.photobucket.com]

[Linked Image from i3.photobucket.com]

[Linked Image from i3.photobucket.com]

There a few differences between this and my grandfathers engine. His is a 1980 build. I just need to hook the throttle setup and it should all be sweet.