that prop is correct - make sure you use the thrust washer mentioned above - 523099-1
after the prop you need the plastic flare spacer/diffuser - F532299
see my pic
Our 125hp parts catalog says it's part # PS 524
It's had to tell being black, ours is white aluminum.
We have a spacer part # 523099-1 and a cone shaped part #523094-2 called a propeller nut