Stale gas smells like varnish and leaves gummy deposits that clog the tiny jets of the carburetor. If the air bubble is not going away at all, replace the fuel lines. When engine is turned over, there’s no fuel going into the filter. I'll prefer a carb kart at WOT, well set up, to an injected kart, attempting to make up time with a fuel injection system. We provide high quality racing go kart fuel system parts at discounted prices online in the Dallas/Fort Worth, Texas area. Spark Plug Issues. Let’s get your go-kart started and ready for action! If you have questions, please call before ordering. 150cc, 250cc, and other buggy (large off road go-kart) engines. Our Mikuni fuel pump is simple, easy to install and operates off the the pulse created by the engine. If the engine has been sitting up with stale gasoline in the fuel tank, the carburetor may require a soaking in carburetor cleaner to remove these deposits. Whether you need 3 feet of fuel line, 50 feet of fuel line, 100 feet or even 500 feet of fuel line or you prefer to choose the color of your fuel line you have found the right place to get it at Kart Parts Depot. I have a 6.5 hp Tecumseh go kart engine and i don't think its getting enough gas because it always makes a choking sound and not going full speed but if i reach back to my engine as i am driving and prime it, it stops making the noise and runs faster. If both the carb kart, and injected kart run close to WOT then there is no advantage to the fuel injection. I have GT5000 craftsman which is not geting fuel to the fuel pump, a new pump was installed n fuel filter n all fuel line were replaced. On most models, the Fuel Line is connected to the Upper Nipple on the Fuel Valve The other line is the Vacuum Line. Change the filters as well. I disconnect the fuel line to the pump n fuel filled up the filter. On a tight road course, there IS an advantage to fuel injection.....however small. The first thing you'll want to do is check your battery and make sure it has a 100 percent charge. 31 posts • Page 1 of 2 • 1, 2. Drain the fuel too, if there was any old in there. If its still not flowing through, take the bottom bowl out of the carb and clean it well. But no fuel … Stale Fuel: Gasoline in a vented fuel tank can go stale within 60 days. Idling good and bogs down under throttle, means not enough fuel. If your engine is starting but then shutting off check for these issues: Check gas and oil: If water has gotten into the gas the engine will fire, run briefly, but shutdown when water enters the carburetor. I would try the fuel filter first and go from there. Sounds like yall need to clean carb. Since a go-kart engine is an internal combustion engine, it needs a spark, fuel… If water is present in the gas, it will bead at the bottom of the tank. Moderators: Jabo, TeamHog, firebird81, PGH. First, connect the Fuel Line to the brass nipple on the left side of the Carburetor and fasten Check power and fuel: When a go kart engine won't start, it is usually because of a lack of electricity or fuel restrictions. One of the most common issues with go-karts are spark plugs that are worn out, improperly sized, or damaged in some way. Also check your vacuum lines for the fuel pump. Write comments. There are many different locations to mount the fuel pump. The next quick step is … I have cleaned out the fuel lines and is a new carburetor so i don't get why its doing this please help. 1. Problems, solutions, complaints, and tips. Go Kart Engine Will Not Stay Running. No Returns or Refunds on Fuel System Parts, Please be sure of what you are ordering. One thing you want to keep in mind is the fuel Many 150 Buggies have 2 lines coming out of the Fuel Valve. When it comes to serious OHV 4 cycle engines, you need to ditch your gravity feed setup and install a fuel pump. 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