[wegngis]

Hi all, I'd just like to get a specific discussion going on my new-old Evinrude. The serial number is 5602R-E04765, so I believe I have it pegged as a 1966 correctly. I've read various posts about the correct fuel/oil mixture, some saying 50:1, another saying 40:1. The following quote from Chinewalker seems to make a lot of sense:

I've found that the smaller (3, 4, 5, 6hp) motors from post 1964 up into the mid-1970s may appreciate a bit of extra oil as they still have some bronze sleeve bearings.

The reference is http://forums.iboats.com/showthread.php?t=158072 This is my first boat motor, too. I'm pretty well versed in automotive repair and such, but outboards are a new thing.

[tashasdaddy]

OMC's statement was pre 1964 24/1. post 1964 50/1. that was there stand, a little extra oils never hurts, other than the increase in plug fouling.

[wegngis]

There's also the richness knob...any idea what to do with that, or general guidelines?

[F_R]

Merely set the knob to where it idles the best and then forget it. The oil issue will never be settled as long as man has the ability to argue.