I'm generally confused, any help?

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firefite

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I just bought this engine, missing parts. I don't know what kind of carburetor will fit nor what the 3 offices are coming out of the top (head) are for 1 carburetor 1/4" pipe threes 1 exhaust & the one in the middle?
also there are 2 offices midsection I think may be for water cooling? HELP
 

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From the looks I would say you are correct and the 2 orifices on the cylinder are for cooling. On the top you have intake, exhaust and a spark plug hole. Difficult to tell but possibly an ignition was attached to the end of the cam shaft? Looks like a nice engine.
 
Carb off an old whipper snipper might get you going.
 
Pretty sure you guys call them a weed whacker or something like that. I'd be trying to determine the rough bore and stroke then building a carb from plans of a similar sized engine, or if you don't want to build, maybe trying a carb off an RC engine. Whichever way you go you're going to need to make an adapter to fit it on your intake.
 

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