Hi everyone,<br /><br />I just bought a used sportboat with a very clean 1988 Evinrude 40VRO (with apparently, only 85 hours freshwater running by one owner). <br /><br />I've got two questions about it that I'm hoping someone may be able to help me with,<br /><br />I already have the Clymer manual for Evinrude/Johnson 2-70hp engines for 1995-1998. The 40 VRO engine in there looks exactly the same as my 1988 model apart from the colour. Is it mostly the same model ?<br /><br />Also, In the manual the 40hp and the 50hp have exactly the same capacity and develop their max HP at the same revs (4500 to 5500). Is it easy to upgrade the 40 ? In the manual the only differences seems to be the jet sizes and the idle mixture setting.<br /><br />Thanks for any help anyone can give me,<br /><br />Paul (from the UK)