Wiring old Yamaha 28hp outboard

[D. Lintvet]

I have an old 28hp Yamaha outboard with an Indak ignition key.
Unfortunately the ignition key is not connected.
I have 5 coloured wires Green, Brown, Red, White and Yellow, does anyone know on which pins to connect the wires.

[boats.net]

Green= tach signal lead
brown= starter circuit
white= ignition stop circuit
yellow= key on power
red= 12 volts positive
black= ground

[D. Lintvet]

Thnx.

on the ignition key there are letters, do you have any clue where the wires has to connect to.

S, W, I, M, B, O or S, M, I, M, B, O