With the new legislation coming in we are looking at 2 stroke vs 4
stroke. I am aware that few people use 4 strokes on inflatables and
fewer would manhandle them down beaches removing and replacing them
daily as we do.
Does anyone have any experience of using 4 strokes on inflatable boats
in this way? Are there any implcations to the angle you can carry/store
them?

I have replaced a small auxiliary outboard on my trailer sailer with a
4-stroke, it's heavier, seems a little less powerful, quieter, far more
economic & easier to start. I've never carried it anywhere a beach but
its a pain to get into the tender.... (They aren't called tender for
nothing)

My club has recently bought a 5m rib with a 4-stroke 40 on the back to
'patrol' the races. Its nice, but the engine IS heavy, is more
economical, less fast, more quiet (See a pattern here?) My only gripe
is that once you've rescued someone, with the rescued dinghy alongside
and 3 people on board, the thing won't plane.

Unless you have light divers with light diving gear and light lead
weights, I'd recommend you buy a 4-stroke 60 for the back of your new
boat. It'll still use less fuel and you should leave it bolted to the
back of the boat, anyway.

Artie