how to change impeller on 40 hp yamaha

I need help on how to change impellar is it that hard to do? would like some more info on how to do it thanks

impellar change

I found this link in another post regarding changing the impellar. Not sure if your 40hp is same but probably the basics will help at least.

great link with pictures.

hope this helps.

http://bogueinletnc.com/yamaha/9.html