25hp Evinrude spark plugs

[McHoser]

Can someone please tell me what is the correct spark plug and gap for a '75 Evinrude 25hp. ? (model 25502B)<br /><br />Thanks!

 

[bubbakat]

Re: 25hp Evinrude spark plugs

J4C gap at 30<br /><br />Use a champion plug<br />They used this size plug thru 1976 for the 25 h/p and in 1977 they changed sizes