Yamaha 15 hp year Identification

[alasanii]

Hi everyone,
I have Yamaha 15 hp FMH, 684K, S, 1035818, N
Probably it’s EU model .Produce year not known.
I need to replace crankcase assembly and need help, which USA model is suitable for my engine. If I will have right answer I will order all required parts.

Please assist which USA model is corresponding with my engine?

Thank you in advance

[boats.net]

We don't have any information on it but probably same as a 15MSH model but have no way of knowing for sure.

[alasanii]

Can anyone help me ?

[jb123]

possibly:

684 1978- 15B (STD-PROP)