1971 evinrude premix ratio, dry engine.

[JT!]

i plan on reviving an engine and want to do the least amount of damage possible, without rebuilding the engine and coating parts in 2stroke oil.


i was thinking of making my premix 40:1 instead of 50:1 for the first tank.

can someone point out other links if the topic has been covered. specifically an old engine out of storage.

thanks

 

[Basszilla4]

Re: 1971 evinrude premix ratio, dry engine.

Well, I'm no expert but 40:1 mix will not hurt anything. At least for one tank. I'd keep a couple spare plugs on hand as the more oil you mix, the more likely you are to foul a plug.

What I would do is squirt a tablespoon of your 2 stroke oil straight into the cylinders via the spark plug holes. Re-install old plugs. With spark plug wires off, crank engine over a few seconds. This will lube upper end quite well. As for a tank of 40:1 mix, I wouldn't think you would have to do this. Buy some Seafoam from a local auto parts store and mix with your first tank of fuel. This will clean everything from bottom end to top end, and along with any carbon build-up.

Buy new spark plugs and double check that you have good blue spark on all cylinders. You should be good to go.

Hope this helps...

 

[Vic.S]

Re: 1971 evinrude premix ratio, dry engine.

Take a look at the Awakening a sleeping outboard post on the Engine FAQ forum.

 

[tashasdaddy]

Re: 1971 evinrude premix ratio, dry engine.

get the OEM Evinrude manual, you have a hydro-electric shift motor. you need it to change the impeller, and understand how the shift works. 50:1 is correct.

 

[JT!]

Re: 1971 evinrude premix ratio, dry engine.

-got the manual.

-will check out that post.

-seafoam eh? i'll get some, maybe for tank fill #2

thanks