I am looking for the parts required to convert a long shaft 25 hp OMC (1977 model year) to a short shaft. After screwing with the 9.5 Sportwin (that now runs perfect...like a top :) !), I ended up with a 1977 Johnson 25RL77S. Cost me $150. I'll spend that again, I know, to make it a short...
I have a '77 Johnson 25 hp long shaft. It has the 5" extension. Has anybody out there done the conversion to a short shaft? What tricks do I need to know? Are there new parts needed or do I need to just remove extensions? Are used parts available? Would this conversion be cheaper than...
Twenty to zero in how many feet?<br /><br />I found out two things yesterday. One is keep extra shear pins onboard. The second is have a fully charged trolling motor battery.<br /><br />I am asking advise of those who know whether the spline drives take the abuse that shear pin drive motors...
You were right about the 9.5 hp evinrude. It actually performed better with the stock .048 orifice than the enlarged ones. I performed a carb rebuild on the thing and it runs like the proverbial top.<br /><br />The **** boat will still not quite plane out (14 foot Loweline with custom plywood...
I just purchased a 1977 Johnson 25 horse motor. The price was not too right not too wrong. There has to be additional markings besides the obvious serial number on the plate. Where might these be? I'd like to verify that they're the same.<br /><br />------------------<br />Bob Gibbons
I have a 1969 evinrude sportwin 9.5. When they went to the 9.9 / 15, they changed out the high speed orifice from a .0XX to a .0XX.<br /><br />My 9.5 has an original .048 high speed orifice. Although they are different motors, doesn't it stand that I might be able to get a little more power...
