standard factory yamaha prop to buy

[marknaglreiter]

Yahama 8MSHU
661 S 058462x
There are no numbers on the prop.
I want the same pitch and diameter that came on the outboard.

[boats.net]

Probably has an 8 1/2 x 7 alum prop, need to remove prop and look for number on hub or back side of blades.