Re: yamaha stern stern
If you mean just bolt one or the other to your transom shield, No. You would have to change almost everything from the flywheel aft.
Ayuh,.... Dependin' on what yer startin' with,...
It might be more like a
Total Refit, Pulleys to Prop....
Some of the Dressin's on some of those Yamaha Chevys can't be bought, fixed, nor serviced,....
So I hear....
Good news is, the hull is cut with the newer universal Mercruiser key-hole, 'n bolt pattern...
Oh, ya,... OMC went belly-up,
Well over a Decade ago,.... Don't even think of that for a refit...