Hi everyone,<br /><br />I have a Sea King made by Clinton from Montgomery Wards and(model year unknown) have searched this great site over a few times and have not seen my exact engine to find out the fuel mixture. I understand that if it is an air cooled engine I should use regular weed wacker two stroke oil, and if it is watercooled I should use TCW3 oil. If anyone has any info on this engine regarding fuel mixture, spark plug type, parts, or anything else, it would be great to know, Thanks!!<br /><br />Engine model: K750 3110D<br />Type: XTV 52259<br /><br />Mike
<br />The exhaust on that engine is water cooled, so it does have an impeller, water intake, etc. That's to keep you from burning your hands on the midsection. <br /><br />I'm not sure about the D. I guessed it was a 0 from the serial number since that makes sense with the S/Ns Clinton used, but I could be wrong. That's why I mentioned it can only be a '74 or '75. But thats all really guess work since it's an engine that Clinton sold to MW: they may be using some totally different number scheme. The XTV-52259 seems pretty definitive though.