Need to know correct fuel/oil ratio

Quentin

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Oct 24, 2003
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I have a 5 1/2 johnson seahorse that was given to me. I have the original fuel tank as well. The model number is CD10 and the serial number is 1083079. I'm told the motor still runs but I haven't tried it yet. Can any one tell me what the proper ratio is and possibly the year of this motor? I believe it is a 1954 model and it is in good to excellent condition. I want to try to use it this spring on my 12' glassmagic boat and take my 5 year old son bass fishing. Thank you.
 

JB

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Mar 25, 2001
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Re: Need to know correct fuel/oil ratio

Hi, Quentin.<br /><br />Yes, it is a 1954.<br /><br />The correct fuel mix is 24:1, 87 octane unleaded and TCW-3 outboard oil.<br /><br />Points set at .020.<br /><br />Champion J6C plugs gapped at .030.<br /><br />Great engine. Good luck. :)
 

Quentin

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Oct 24, 2003
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Re: Need to know correct fuel/oil ratio

JB,<br />Thanks for the help! It looks like it's fairly easy to work on and I believe it'll push my boat rather well. I have a 12 foot flat bottom Glassmagic fiberglass boat. It was given to me as well as like the motor, needs a little TLC. Again, Thanks.<br />Quentin
 
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