[Spridgets] Fuel Pump HELL......suggestions for a "GOOD" fuel pump please.

Jim Johnson bmwwxman at gmail.com
Sat May 15 13:23:24 MDT 2010


Thank you, Peter...  I was just going to post that but ya beat me to it!
This is a common problem with the many motorcycles I see each year. People
go crazy over inline fuel filters apparently on the theory that if one is
good, two or more will be even better. T'aint so, McGee!!   Fuel filters do
restrict the flow somewhat. The system is designed for the screen in the
tank and a fuel filter ahead of the carbs where the idea is to keep grit out
of the small orifices of the carbs. Adding more fuel filters than the system
was designed for will only restrict the flow more than can be handled.
Additionally, I believe fuel pumps have two cycles?  A pull and a push
cycle?  Correct this if it is wrong, but I know that many motorcycle fuel
pumps are this way.  What Lin has done is restrict both cycles slowing
progress of fuel through the pump.

Cheers!!
Jim

On Sat, May 15, 2010 at 2:01 PM, Peter Caldwell <peter at nosimport.com> wrote:

> Remove the filter on the inlet side. That will fix the problem.
>
>        Peter C
> ==
>
> At 01:21 PM 5/15/2010, Linda Grunthaner wrote:
>
>> My fuel pump sounds like it is on, I have 2 filters on it one in, one out.
>> You can see the in full filled in the filter on the in side and the out
>> side
>> filter trickles with fuel. This is the 2nd fuel pump I bought in 2 years
>> from Napa. This one is made in the USA the previous I'm not sure. I
>> removed
>> the fuel line and blew air with my compressor also blew air into the tank
>> to
>> clear the internal tank filter as suggested by Frank. I thought all was
>> good
>> left her running for a few minutes and then as I pulled out of the drive
>> way
>> she stopped sending fuel behaving like I was out of gas. BTW I put 3
>> gallons
>> in and it reads over a 1/2 tank. I got her fired up again to get back into
>> the driveway and you can hear the pump working but it trickles out
>> (visible
>> on the out side clear filter). I'm assuming it is a POS (piece of shit)
>> therefore off I go to buy another. What is the best pump to buy so I don't
>> go through this again they are not cheap even at Napa I think around $50.
>> or
>> $60. suggestions please I can't go another year with her sitting in the
>> driveway again.
>> Linda
>>
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--
Cheers!!
Jim
In my many years I have come to a conclusion that one useless man is a
shame, two is a law firm, and three or more is a congress."
       John Adams
       US diplomat & politician (1735 - 1826)


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