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Unread 05-31-2008, 04:46 PM   #1
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Default fuel pump - general question

what are the symptoms of a bad fuel pump?
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Unread 06-01-2008, 12:23 PM   #2
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Default Re: fuel pump - general question

Leaking is a sure sign.
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Unread 06-01-2008, 01:25 PM   #3
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Default Re: fuel pump - general question

No fuel flowing to the carb...

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Unread 06-01-2008, 06:33 PM   #4
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Default Re: fuel pump - general question

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Originally Posted by mikesmotortoys View Post
No fuel flowing to the carb...

Didn't think of that :)
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Unread 06-01-2008, 07:24 PM   #5
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Default Re: fuel pump - general question

A good way to check why an engine dont run is to check the spark, then compression if all is good then something is wrong with the fuel system.
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Unread 06-02-2008, 05:30 AM   #6
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Default Re: fuel pump - general question

also check the hose that goes to the engine case, if gas is present in that hose there is a rupture in the diaphragm
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Unread 06-02-2008, 11:41 AM   #7
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Default Re: fuel pump - general question

Thanks guys, I was wondering about the fuel pump because the cart just felt like it wasn't getting enough gas. Checked everything and the fuel pump is working fine. Gas pumps into the carb, no leaks, no gas in the tube to the engine.

Did take off the carb, it looked nice and clean but I cleaned it anyway.

Took out the spark plugs and sanded off the carbon and tried to regap it (gapper did not go down to .028-.030). Just guestimated it. Surprised it was so black in 3 months.

Do not have the tool to check compression.

Adjusted the valves couple of weeks ago.

Oil was the right level and clean.

It works fine right now but still feels like there is not enough torque. I have the shorter belt but I might try to find one shorter, will a 1/2 inch make a difference or should I find one 1 inch shorter?

Also a question about the air filter. I live on a dirt/sand road and the filter sucks up alot of fine particles. I do not have the louvered vents under the seat so I was thinking of running some tubing out and up the side of the cart like a snorkel. Will this make it too hard for the engine to get air?

Also my steering is off now, hit a pot hole too hard, will fix when I put on a lift, eventually.

THANKS AGAIN for all the help on my 95 workhorse, you have kept me from having to haul the cart to the local shop for a $300-$500 tune up plus extra's.
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Unread 06-02-2008, 02:54 PM   #8
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Default Re: fuel pump - general question

Quote:
Originally Posted by FRATT70 View Post

Do not have the tool to check compression.
To check compression manually (without tools), just put your hand on the carb as crankshaft turns... this is not infallible, but more often than not you will notice that there is a lack of 'suction'. This hapenned to an old Columbia ParCar cart that I previously had, and this test proved to be accurate...
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Unread 06-02-2008, 04:21 PM   #9
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Default Re: fuel pump - general question

I'm not sure if a shorter belt will help that much, you may have a problem with the driven clutch. A weak spring will let the cvt go into higher gearing quicker thus reducing low end power.
Anything that gets clean air to the engine should help, a fair size snorkel shouldn't effect performance.
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