A local young man bought this, all he knows is that it's a Johnson 10hp. he can't find any tags for the serial or model #.
Any idea of the year range of it based on the photo?
And then what would be the corresponding oil ratio be for it?
Some guys were telling him go with 50 to 1, but I...
From the serial number in the charts its a 1982 and 25e.
But it has the F-N-R in the handle which I thought came out later than 1982. So wondering if Mercury made the shift in the throttle handle that early? If not, then someone put a different engine block in it at some point. So when DID...