Buying a 1995 900SS SP today - Page 3 - Ducati.ms - The Ultimate Ducati Forum
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post #21 of 79 (permalink) Old Dec 7th, 2018, 8:32 pm Thread Starter
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Finally wrestled that starter back on and have used it at least 50 times since because - it looks like the fuel pump has now failed. Poured even more cleaner in the tank for overnight, maybe it will clear up, but probably not. Fuse is good and I did hear the pump yesterday clearly.

It has an external fuel filter which I replaced, but peering into the tank it doesn't look like there is one there. The fuel pump ingested some sticky fuel I imagine.

1991 900SS
1995 900SS SP #746
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post #22 of 79 (permalink) Old Dec 7th, 2018, 9:38 pm
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Originally Posted by RockAZ View Post
Finally wrestled that starter back on and have used it at least 50 times since because - it looks like the fuel pump has now failed. Poured even more cleaner in the tank for overnight, maybe it will clear up, but probably not. Fuse is good and I did hear the pump yesterday clearly.

It has an external fuel filter which I replaced, but peering into the tank it doesn't look like there is one there. The fuel pump ingested some sticky fuel I imagine.
There is supposed to be a filter inline at the pump as well as a strainer bag where the pump pick up is.

I'd guess the strainer bag is plugged up if it is still there.


In order, fuel filter, fuel pump and the strainer bag is just visible behind the pump.

Just pull the fill cap and the fill cap carrier and you get a nice big hole to view it all.........sean

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My garage: Twins:2000.5 Mille R, 2000 996, 1994 EX500 basket case 1993 900SS. Suzukis: 2004 GSXR600, 1992 GSXR750 oil boiler, 1983 XN-85 Turbo
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post #23 of 79 (permalink) Old Dec 8th, 2018, 12:14 am Thread Starter
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I figure it is the strainer plugged up too, been unable to source one locally. I did not see the filter in there, suspect the PO took it out. I think the fuel pump died today, luckily I found one tonight at the auto parts store that will work.

Don't know what to do about the strainer if cleaning it isn't possible. Leave it off, I suppose,....

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post #24 of 79 (permalink) Old Dec 8th, 2018, 7:56 am
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I would work to have a strainer of some sorts as it is the only filter pre-pump, without one it puts the fuel pump at greater risk.

I have removed pumps and bench flushed them as well as ...... Ahem!..... tapped on them and was able to get them to free up when stuck. Does not always work but if it is just a bit of grit you might shake it loose.
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post #25 of 79 (permalink) Old Dec 8th, 2018, 8:12 am Thread Starter
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I was looking at my Coleman kerosene lamp last night while sipping a beer, that has a "sock" in it for the flame, wonder if that would work to replace the strainer? I'm having trouble finding one just in case.

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post #26 of 79 (permalink) Old Dec 8th, 2018, 8:51 am
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https://www.highflowfuel.com/c-12076...t-numbers.html

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post #27 of 79 (permalink) Old Dec 8th, 2018, 8:52 am
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I would bet that sock would fail in fuel but I have not tried. Oem is plastic IIRC.

I can see if I have a spare oem if you want.
What size do you need ?
will oem fit your aftermarket pump?
whats wrong with your oem? Outside of rotten fuel I do not see bad screens . can you show a picture dimensions of what you are trying to fit the screen onto?

Last edited by ducvet; Dec 8th, 2018 at 8:58 am.
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post #28 of 79 (permalink) Old Dec 8th, 2018, 8:58 am
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Many fuel pumps come with screens you might ask where you bought the pump if the offer a screen for the pump you bought.

I do have a couple versions
1=oem 18.8mm Id
2= smaller mount hole 10.8mm Id

I would bet if you went back to the parts store they will have one for your pump
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post #29 of 79 (permalink) Old Dec 8th, 2018, 9:03 am Thread Starter
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Going out to pull it now to see what I've got. Parts store people had no idea what I was talking about and the one I bought from O'Reilys did not have one.

https://www.oreillyauto.com/detail/b...e16031/4615456

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post #30 of 79 (permalink) Old Dec 8th, 2018, 9:23 am
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My recollection is that I used an Airtex 2035 pump for my '92 that looked identical to OEM, fit perfectly, and works fine. Cost about $45. It came with the inlet screen, and if I recall Airtex also sold accessory parts like the screen for the pump separately. Most likely that part number has been superseded by something else, but may be worth a look.
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