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Post by lain on May 6, 2015 11:45:06 GMT -5
I am working on a scooter and have got it to run perfectly, however the only issue I'm having is the stupid fuel outlet on the petcock is below the carb... So the fuel does not make it's way up the line into the carb. I have filled the fuel line and carb bowl with gas while holding the line above the carb and the fuel goes right into the carb like it should and runs for about 3 minutes then dies. After checking the bowl after running it is dry when connected to the petcock... Gravity is not helping me on this.
How do I get the fuel to climb up the line? Or how do I get it to the carb from the petcock? It is all stock, the factory seems to have designed it this way...
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Post by rcq92130 on May 6, 2015 12:43:47 GMT -5
I am working on a scooter and have got it to run perfectly, however the only issue I'm having is the stupid fuel outlet on the petcock is below the carb... So the fuel does not make it's way up the line into the carb. I have filled the fuel line and carb bowl with gas while holding the line above the carb and the fuel goes right into the carb like it should and runs for about 3 minutes then dies. After checking the bowl after running it is dry when connected to the petcock... Gravity is not helping me on this. How do I get the fuel to climb up the line? Or how do I get it to the carb from the petcock? It is all stock, the factory seems to have designed it this way... EEEEEEE-lectric |
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Post by keikara on May 6, 2015 14:15:13 GMT -5
Yea sounds like you may have a bad vacuum operated fuel petcock, either it is bad or not getting enough vacuum to make the fuel flow. I would either replace or just get an electric fuel pump.
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Post by lain on May 6, 2015 15:37:12 GMT -5
I removed the filter, replaced the line with clear fuel line, cut it so it was just long enough to bend when the frame dips on bumps and primed the carb bowl. Then I started it up and watched as the fuel pumped up to the carb. There are some air bubbles near the carb but the end where the nipple has a good couple inches of solid fuel.
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