Yamaha 50 hp 1993model problems

[oyvind orn]

Hello.
My engine from 1993 is built on a 70 hp engine. 50G engine.
How to by parts for this engine.
It is a 50 ELRR but the electrical system is not like this model. it is more like the 70 hp.

Can i bay parts for 70 hp?

[boats.net]

You would have to find out what model engine and what model parts were used first.