Re: 1965 3.5 hp evinrude ? Fuel mixture?
50:1 for motors after 1964, BUT, here's chinewalker's view from the engine FAQ:
POST-1964 JOHNSON/EVINRUDE/GALE - The official stance on 1964 and newer OMC engines is to run them 50:1 and it's a good rule of thumb to follow on the bigger motors. OMC also renegged on the late 1980s 100:1 recommendation on the smaller (4-35hp) motors, bumping them back to 50:1. 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. I run 40:1 in my '72 4hp, as I have a pile of holed blocks, burned cranks and twisted rods that were run at 50:1.
A little extra oil will not hurt your engine.
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1965 3.5 hp evinrude ? Fuel mixture?
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