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| 150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum |
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#1
12-12-2021, 06:02 PM
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rzr looking type buggy 150cc help
Hello everyone.
i am working on a rzr looking type buggy for a friend. he bought it not running in pieces. it has a GY6 150cc motor year and make unknown. i just put a new top end on it. i installed a 158.5 kit. it runs great but it uses an electric fuel pump. the fuel pump floods the carb and motor. i have adjusted the float level several different times and it still floods the carb. I tried installing 2 PSI pump and it still floods it. what is missing to correct this ? should there be some sort of restricter in the fuel line ? thanks. https://www.flickr.com/photos/225569...posted-public/ https://www.flickr.com/photos/225569...posted-public/ Last edited by sandfiend; 12-12-2021 at 06:30 PM. 
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#2
12-13-2021, 06:06 AM
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Welcome-
I'm sure you've already checked the float valve,if the float valve & seat are good it shouldn't flood.I check mine by blowing into the main fuel line to hear if air is getting by.The little spring loaded valve in the top of the float valve is important for making a complete seal.Does that carb. have a removable float valve seat? Does any fuel leak out the overflow port?Is the FEV working? If the fuel enrichment valve is stuck open it'll cause a flooding issue. I've run a 2-6psi pump before with very few issues,I did have one that filled the crankcase with fuel! I can't think of anything else other than finding another tank & location you can mount for gravity feed.
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