Newbie installing water impeller please help

[Bob Setzer]

"I have a 95 model evinrude, i

"I have a 95 model evinrude, i removed the old impeller, and bought a new impeller, what hold's the impeller in place ? is there a key on this model ? thank's for your time...."

 

[jwbmarine]

"yes there is a key,..what hp

"yes there is a key,..what hp pls?"

 

[Bob Setzer]

"70 hp, and thank's"

"70 hp, and thank's"