New to me 1989 Evinrude 150 (sorry I don't have the motors numbers on me I will post later). Previous owner ran pure gas with no additives and with no problems. Motor starts good and seems very strong for it's age. I want to make sure this motor lasts the year I need it to till I buy a new boat. What additives are best for these older Evinrudes?
What 2cyl oil should I run through it? He said he just bought cheap from Walmart.
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Originally Posted by jarhead175
