12-30-2009, 08:56 PM | #1 |
Getting Wild
Join Date: Sep 2009
Location: Clover, SC
Posts: 128
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fe290 Compression reading?
Anybody able to give me an idea of some compression figures for a 94 FE290?
I'm getting 95# and need to know if I should rebuild or keep running it. Any help is appreciated. Thanks. |
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12-30-2009, 09:12 PM | #2 |
Getting Wild
Join Date: Sep 2009
Location: Clover, SC
Posts: 128
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Re: fe290 Compression reading?
That 1st reading was taken with the throttle closed and a weak battery. I put my charger on the battery and cranked it with the throttle wide open and got 160#. I don't get the impression it needs a rebuild. Anybody feel differently?
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12-30-2009, 09:33 PM | #3 |
Not Yet Wild
Join Date: Oct 2009
Location: royal palm beach fl
Posts: 39
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Re: fe290 Compression reading?
how do i do this please send me a message thanks very much
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12-30-2009, 09:40 PM | #4 |
Getting Wild
Join Date: Sep 2009
Location: Clover, SC
Posts: 128
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Re: fe290 Compression reading?
mrcarter,
it's basically a pressure guage that measures the highest compression reading from the cylinder. You install a hose with a fitting in the spark plug port and then connect the guage. Then you crank the engine several times and measure the pressure. There is a bit more to it but that's the quick version. You can purchase this tool fairly cheaply at a local autoparts store and it will have detailed instructions. Hope this helps. |
12-30-2009, 10:40 PM | #5 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,344
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Re: fe290 Compression reading?
At 160 psi you are just fine 150 or less is about the tell tale sign And Yes thank you for teaching the proper way to compression test, Throttle open fresh battery
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12-31-2009, 06:38 PM | #6 |
Not Yet Wild
Join Date: Oct 2009
Location: royal palm beach fl
Posts: 39
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Re: fe290 Compression reading?
thanks very much
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02-08-2015, 09:20 AM | #7 |
Not Yet Wild
Join Date: May 2014
Location: Savannah
Posts: 5
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Re: fe290 Compression reading?
Scotty B,
I also have a 1994 FE 290, having fuel issues, engine wants to backfire at the higher end of the accelerator range. I suspect possibly bad fuel pump and carb. I wanted to start with the basiscs, if the fuel pump isn't getting the correct "pulse" from the engine crank, then that might be the problem. I pulled a compression check yesterday, both cold and hot, dead on 150 psi, battery was good, throttle wide open. Is this reading considered low, or is this an indication that I need to entertain a rebuild? Engine is original and never been rebuilt. |
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engine compression, fe290 compression |
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