How much oil?

[steplift20]

Dave ,that's a good site, oil calculator. Thanks and I understand 50-1 at WOT but no one runs there boat all the time at WOT. And it says my motor mix should be 50-1 I know the injection system is great but mine failed. It worked for 34 years. That's pretty dam good I think plus I put a lot of money into the system replacing ,monitors,oil cap sending unit,3 way check valve plus more stuff I can't think of. Now I don't have to worry about that anymore,