09-30-2009, 05:59 PM | #1 |
Not Yet Wild
Join Date: Sep 2009
Posts: 4
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89 fuel line issue
I have air locks in my fuel lines. I take the line off at the carb, pump the fuel til it's a steady flow then put er back on. Within 10 min. i am no longer moving and have to do the procedure all over again. I replaced the lines, the carb and removed the filter to run a direct line from the tank to the pump to eliminate possible air leaks. Any ideas? Fuel pump? It pumps but not real hard. Thanks
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09-30-2009, 06:07 PM | #2 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,417
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Re: 89 fuel line issue
They do not pump hard check the vaccum line to the crackcase for leaks....
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09-30-2009, 06:08 PM | #3 |
Not Yet Wild
Join Date: Sep 2009
Posts: 27
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Re: 89 fuel line issue
I would check the pick-up tube in the tank. If it has even a small crack in it, it will give you an air lock. Like sucking through a broken straw. Could also be a small crack in the diaphram in the pump. Not likely but not impossible either.
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09-30-2009, 09:15 PM | #4 |
Gone Wild
Join Date: Apr 2008
Posts: 371
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Re: 89 fuel line issue
Check your lines... you have a leak. That walbro style pump will never make more than 7 psi pressure... when it's new maybe. 4 psi used. Vacuum style pumps work better in volume , not pressure. You have a line leaking that's sucking air somewhere. I have seen plastic fuel filters seams leak.
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