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Question for Old Motor Gurus
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<blockquote data-quote="bassboy1" data-source="post: 39741" data-attributes="member: 55"><p>1964 Evinrude Fastwin 18 hp.</p><p></p><p>Kinda borderline on the oil mix. That was the year it was changed to 50:1, from 24:1. </p><p>40:1 should be plenty safe in that engine. Many recommend running the 18 horse and above motors at 40:1, even back into 1960, when they were recommended at 24:1. Personally, I would run 40:1 in that engine.</p><p></p><p>Stick her in a barrel of water, and see if you can fire it up. Sometimes these old OMCs will start right up after sitting for many years. Even if it does, I would rebuild the carb, replace the water pump impeller, and possibly the breaker points and condensers.</p></blockquote><p></p>
[QUOTE="bassboy1, post: 39741, member: 55"] 1964 Evinrude Fastwin 18 hp. Kinda borderline on the oil mix. That was the year it was changed to 50:1, from 24:1. 40:1 should be plenty safe in that engine. Many recommend running the 18 horse and above motors at 40:1, even back into 1960, when they were recommended at 24:1. Personally, I would run 40:1 in that engine. Stick her in a barrel of water, and see if you can fire it up. Sometimes these old OMCs will start right up after sitting for many years. Even if it does, I would rebuild the carb, replace the water pump impeller, and possibly the breaker points and condensers. [/QUOTE]
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