Yanmar Yse 12 transmission

[Manureva]

My trans has a coui coui, any common problem with yse12 tranny, i have a fresh rebuilt engine. So fixing the transmission is a priority.

Tanks

 

[rumiko dan]

I have an excellent used one, in Mexico, that I would sell if yours doesn't find its fix!

 

[Manureva]

It was a piece of fishing net melted and tangled in the prop

 

[Manureva]

The diver found out that there was only a little bit of algae on the prop, so after further investigating, it was found that my shaft coupling was worn out. An alignment problem cause a small wobble to turn into a bigger one, so the shaft was moving forward and rubbed the prop against the skeg making the noise....