Hi Lars!
A friend of mine has a Mercury Marine Laser II
3 blade, SS
13,5x20P 15-spline square ventholes
Partnr = 48-16990-20
It came of a new Honda motor and currently servs as an ornament on his dinner table.
It's unused. He's willing to sell.
We live in Belgium though. Please PM if interested.
Greets, T.