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SportTrac Discussion
General Sport Trac Discussion
Air lock carb on riding mower?
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<blockquote data-quote="Richard L" data-source="post: 1027270" data-attributes="member: 52972"><p>Not sure about the "AirLock" terminology and I am am sure that it is not related to Vapor Lock. Vapor lock refers to fuel in the carburetor getting so hot that it boils or vaporizes the fuel and cannot or will not start or run.....that cannot happen on a cold engine.</p><p></p><p></p><p></p><p>Most small engine carburetors are notorious for gasket leaks. That allows air into the carburetor and breaks the siphoning of fuel. Most small mower engines do not have a fuel pump and rely on engine vacuum to suck the fuel into the carb. I suspect that your carb need a new gasket kit and rebuild.</p><p></p><p></p><p></p><p>Also, if this is the first time using your mower this spring, you may have a clogged carb from fuel that has jellied from sitting in the carb over the winter. To winterize your mower you should run the carb out of fuel and drain the gas tank. In the spring, fill with fresh fuel and I always recommend a fuel stabilizer.</p><p></p><p></p><p></p><p>...Rich</p></blockquote><p></p>
[QUOTE="Richard L, post: 1027270, member: 52972"] Not sure about the "AirLock" terminology and I am am sure that it is not related to Vapor Lock. Vapor lock refers to fuel in the carburetor getting so hot that it boils or vaporizes the fuel and cannot or will not start or run.....that cannot happen on a cold engine. Most small engine carburetors are notorious for gasket leaks. That allows air into the carburetor and breaks the siphoning of fuel. Most small mower engines do not have a fuel pump and rely on engine vacuum to suck the fuel into the carb. I suspect that your carb need a new gasket kit and rebuild. Also, if this is the first time using your mower this spring, you may have a clogged carb from fuel that has jellied from sitting in the carb over the winter. To winterize your mower you should run the carb out of fuel and drain the gas tank. In the spring, fill with fresh fuel and I always recommend a fuel stabilizer. ...Rich [/QUOTE]
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SportTrac Discussion
General Sport Trac Discussion
Air lock carb on riding mower?
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