Re: Evinrude 4 hp year and fuel mix etc!!!
Check for a mist spurtzing from the idle exhaust relief ports. I belive they are on the front of the leg above the waterline on that engine. There is no tell-tale on this engine like modern ones.<br />You could also remove the flush port, which is covered by a large slotted screw near the base of the tiller handle. Only operate for a second with that open though, since you're depriving the engine of water without it in place. Water should spray out of it when you crank the engine.<br />You might also want to consider adding an extra dollup of oil to the mix for that engine, despite the original 50:1 ratio. Check out the Oil Mix post in the Engine FAQ forum for more information.<br /><br />Good luck!
<br /><br />That is a 1972 you have there.<br /><br />Fuel mix is 50:1, 87 octane regular and TC-W3 rated outboard oil (1 pt. oil to 6gal. gas).<br /><br />Good luck. 
