Ignoring the supply issures, possibly. For example I had to swap the clamp & swivel brackets on mine, but the Yam I had before was a case of undoing 6 bolts & replacing the manual with the powered version.
You are fitting to a Mariner, so in theory, you could have a Merc or yam based clamp / swivel.
Merc had numerous variations on a theme (I am in the middle of refurbishing a dead one similar to the middle pic on that link for my Clamshell, but there were 3 versions of that idea (single ram) and a variant with 3 ram version too! (and that ignores the outside ram version....) On the plus side, if it's a Yam based engine, the 3 ram PT seemed to fit everything form the 2 cyl 55 C.1979 up to the last of the 90 HP 2- strokes....
So, first things first - your engine. presumably has a "shock absorber" ram. First 2 Qs - is it central or offset? If central, are there two circular recesses about 1/3- 1/2 way up the swivel bracket?
If you could tilt your current engine & take a couple of pics it will help to ID what you have, and then work out what you need. Serial Number be useful too.
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