I think Top Flite really should have stated that this airplane is intended for four stroke engines, and that us two stroke fans will have to do some engineering. There's no way in hell the factory throttle servo mounts (either one) can be used to do a two stroke throttle linkage unless one switches to cable assemblies instead of the included pushrods, and that looks doubtful.

Here's how I did it. I traced the outline of the opening on the right side of the nacelle assembly, and cut a ply piece that can be epoxied in there. The servo is only stuck on to it with sticky tape right now- I'll make some nice mounts later. It all fits inside the nacelle nicely, and gives a short, straight pushrod.

Also, the included spinner nuts are for 5/16" prop shafts. I'll have to get a pair of 1/4" ones to fit the OS 55AXs.