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I shot you a pm as well as responded to your post on my last thread. The plastic ring is nothing more than a spacer. As the post from the fuel pump slips into the rubber grommet the plastic spacer keeps it from going in too far. It is not supposed to fit into the rubber grommet.

Oh and just as a generic update... SHES ALIIIIIVEEEE

it actually fits just how you have it. The plastic sleeve does not fit into that rubber grommet it acts as a spacer to keep the fuel pump from pressing into far

The fuel pump appears to be working fine! Shes back in the tank and keeping pressure great with gasoline. So i believe thay step to be done. Next will be the fuel rail and injectors

Yeah. Got it figured out and on Still won't run... sounds like its closer than before but no dice.. pulling fuel rails and injectors next

Let the o rings soak in hot water over night... reassembly was a bit tigter. Holds at 38ish psi.... Ill re assemble and give her a shot... Update. Still wont run. Gonna pul rails and injectors to clean next

Dry test again proved 34 psi limit... Leaving only the o rings or assembly itself. I will pick o rings tomorrow to test my theory hopefully I find a few in the correct sizes. If anybody would like any pictures or individual tolerances tested or checked lemme know.

No problem. It initally ran past 70psi before I hit the kill switch. She stabilized at mid 60s though holding the pressure... Update. Dry testing after boiling the fpr and then spraying her out with up to 155 psi (trying to blow debris out) I was able to back her down and test again. Dry no...

After the Royals game ill give it a shot. Any leads on where to pick up a new one?

I removed it from the plastic housing yes. Removed the o ring and as you can see in the last image i have it removed and hooked up to an air pressure line and a pressure gage. Is that what you mean by unseating it? By visual inspection it seems to be unable to be dissassembled any further.. I...

Damn fpr wont even hold 20 psi... Just to confirm...at 20 psi no air should be being released from the fpr correct?

Fuel pump alone was way over 70psi and held above 60... This was using stock wiring as well hoping to eliminate a voltage drop issue ( if one was present and keeping the pump from running correctly) on to the fpr again

Yeah. Re assembled. Fresh gas. Turns over but wont fire up. same deal. Like no fuel is getting through somewhere. Gonna pull the take. pull the whole sending unit and submerge it in a tub of water. I will keep it connected to the bike electronically and run it that way.

I appreciate everyones help! Im on father duty today so once my minime goes down for a nap I can slip out to the garage to pull the fuel pump again. thinking a small bucket of water should allow me test just the pump externally from the housing and see how shes doing.

I learned on a hand me down buzz box that I had to make new leads on . LOL From there I have picked up a nice Lincoln mig that I gas up but have had to use flux and it did fine. I dont necessarily see the problem in learning on a buzzbox. Its harder to start but once you can arc you are...

I didn't have a good way to test that just a at 35 psi. I'm going to test the fuel pump alone tonight. I may just order a whole new fuel pump and FPR offline they only seem to be about $40.

yeah everything in the fuel pump look clean after I finish cleaning it out. yes I purchased it this way in this condition the gas cap was mangled the ignition was mangled no title but after checking with a few of my police friends the bike came up clear. live in checked out not only look up a...

No water it was layers per say of sediment and dirt. ill have it back all apart tonight. i washed the pr and blew it out multiple times at well above 40 psi..it was opening. ill test the pump directly when im off

After flushing the tank. cleaning and re assembly of the pump and sending unit and fpr she still reads the same pressure and thats making sure the system was purged of air Blah Replacement of frp next? Possible I guess my tester or method is bad...

No your right not much rust compared to what Im used to working on... here are some pictures of current projects. . Like I said earlier Im in my 20s but stuck wrenching in the 70's and eary 80s. My daily. Kz650 with 750 jugs and pistons. Decked snd Ported 650 head for a healthy compression...