How a carburetor works
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Uploader Comments (Slangbox17)
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the "throttle valve" is called a butterfly valve. im sure there are diffrent ways but yeah
2 years ago 4
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Awesome, now I understand
2 years ago 4
All Comments (79)
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your voice sounds like andy's does in toy story 3
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For those who are new to this I like the video and showing us how the engine runs with the mixture of air and fuel.
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noob
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good job man!
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bravo 5*
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@spacemonkeys0681 just drill a 1/16th inch hole right in the top of your carb and hook a tiny hose to it and run it to the fuel tank to compesate for the increased airflow. if that doesn't work, junk the vespa and get a real bike. (shhhh guys, i'm trying to HELP him...)
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Ah ok, the "button" is called a float needle I just found out.
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Nice video! Thank you! What do you think would happen if I lost a small button that gets pressed in by the float?? Will my engine blow up and kill me if I try to run my dirt bike? =O
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lol ty before this vid i didn't even know what a carburetor was :p now i do
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need to clean the carbs. Varnished up - gummed up. Spray some gumout in there. If that doesn't work then youtube search weedwacker carb rebuild.
carburetors suck. 70% percent of the time they're the cause.
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I have a Vespa ET2 50cc, I tried installing a performance air filter and as soon as I tried riding it it was like shocking and wouldn't got full speed, it made it worse. What can I do to balance out the air and fuel mixture
spacemonkeys0681 2 years ago
Well now you're looking at re-jetting the carb to a bigger jet so you can get more fuel flow to match your increased airflow. Google search "re-jet a carb" and "drilling out a carb jet". Good luck.
Slangbox17 2 years ago
I had a problem with the carburettor on my bike and was wondering how they work- that was an excellent explanation cheers. When I was looking at mine I noticed there was a kind of rubber diaphragm inside the carb- can you explain what that's for?
thedixie60 2 years ago
Hmm... I'm afraid I'm not sure exacty what pure referring to.
Slangbox17 2 years ago
Well, a carburettor has two important parts. A venturi which (if cut away from the side) looks like an hour glass. Its job is to increase the air speed or pressure at the output side (throttle) of carburettor. This helps in the mixing of fuel/air making it more volitile. Second, it also has a float/needle & seat which controls how much fuel reserve it has. The float chamber is connected via a jet into the venturi. Two much fuel in float area, carb floods, too little it starves.
Astro29 2 years ago
Yep.
Slangbox17 2 years ago