Hi <br /><br />Took delivery of my new fishing boat yesterday complete with a year 2000 90v4 Evinrude Ficht<br />very happy!<br /><br />But I have just discovered that the previous owner has been using a non famous brand cheapo two stroke oil,i have managed to find out that the origininal owner before him used the reccomended!<br /><br />Boat has done approx 50 hrs on this cheap oil!<br /><br />Can i expect damage?<br />And what remedial works are reccomended please?<br />One last thing what oil should I be using (UK marketed)?<br /><br />Thanks guys<br />Rob