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Hello all. I own a 1996 Murray Ultra 5hp 22" model #G2250030 - Tecumseh motor # HSSK50-67394S - carb model # 640084B. The carb is leaking gas out of the choke hole. Instead of using a rebuild kit, I see some pretty cheap brand new replacement carbs on the internet which I'am considering buying, instead of coming through the hassle of rebuilding the current carb. The problem is I don't see any of the new carbs coming with the restrictor screw or the inlet valve screw that has the spring outside on the bottom of the float bowl. Is it necessary to have the spring on the inlet valve, or will a carb without one work of my machine? Any help would be appreciated. Thanks in advance.
 

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The spring thing is just the adjustment for the jet. A lot of newer carbs have what is called fixed jets as the EPA has decided that the average owner is not smart enough to adjust them properly. They run fine when they are clean. If they start getting dirty you have to take them apart and clean the tiny holes. Some people take very tiny drill bits and open theirs up slightly to get them running better.

For a simple flooding issue like you have it might only cost $5 - $10 for a couple gaskets and a float and you might be able to fix it easily. Most times you don't even have to take the carb off the engine and only have to remove the bowl nut and bowl from the bottom.
 
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