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  1. S

    spring vapor lock?

    are rebuilds "swappable"? is reman worth the savings of new? what kind of adjustments are required? thank you!
  2. S

    spring vapor lock?

    or replacement? Please help identify model info:
  3. S

    spring vapor lock?

    one year later... I apparently didn't get around to finishing the job. Where I left off was diagnosing a starting/fuel/carb issue. Upon inspecting the carb, I found corrosion. I have never maintained it, but I'm certain this was "clean" when I put it away. Despite surface corrosion, the...
  4. S

    Spark plug part number?

    This is what I have collected: Quicksilver repower: SN: 90004747 Engine PartNo: 807736R11 date: 03252004 (original engine SN: L332123) Alpha 1 Gen II - Transom: 0L517680 Drive: 0L192679 1.62 R (1.81R scratched on top) (original drive SN: L40356)
  5. S

    Spark plug part number?

    thanks. I've verified all info that I have available to me. That SN was written on the invoice for the engine for the previous owner. It was written out twice, but I cannot find any info and the dealer has changed hands.
  6. S

    Spark plug part number?

    I pulled BPR6EFS out. Please verify BPR6EFS is correct. thank you! My log: 1999 Stingray 190LX 2004 Mercruiser 4.3L 225hp 4bbl Quicksilver repower: SN: 90004747 Engine PartNo: 807736R11 date: 03252004 (original engine SN: L332123) Alpha 1 Gen II - Transom: 0L517680 Drive: 0L192679 1.62 R...
  7. S

    spring vapor lock?

    Thanks, Rick. that makes sense. I had to return her to the yard today or my neighbors get fussy. I will check this in a few days.
  8. S

    spring vapor lock?

    The oil pressure switch leads test open (no conductivity) with no power. I didn't test the sender. fyi, The motor/hissing sound (possibly fuel causing hydrolock) is intermittent. It only happened once after shut down. I cannot recreate to capture or identify, but my guess is that it was...
  9. S

    spring vapor lock?

    Is there any other small motor/hissing sound that I could be mistaking for a fuel pump? Would a bad oil pressure switch close the circuit, or leave it open? I will test to see if it's stuck closed?
  10. S

    spring vapor lock?

    Agreed. and I now think the gas IS causing a hydrolock. I described a small motor and hissing sound that ran after the engine stopped. I suspect this was the fuel pump, filling the cylinder again, and causing another hydrolock. After that, As I mentioned, the starter engaged, but didn't...
  11. S

    spring vapor lock?

    It didn’t geyser, But we’re mincing words. I don’t believe there was water in the cylinders. Only the exterior of the plugs had rust. No leak from manifold. I didn’t fog. My challenge is that I have to take it back to the yard while I order new gaskets for the manifolds and lower...
  12. S

    spring vapor lock?

    Yep - that was my gaff. Bow was up. Cover failed. plug was in. I had it garaged since 2013. new car took its spot, out outside it went. learning lessons, now.
  13. S

    spring vapor lock?

    And, I don’t know that it’s Hydrolocking. That was an early guess.
  14. S

    spring vapor lock?

    I see no rust inside. The mating surfaces are covered with the foil/lead gasket. They scrape off fine. There is no rust inside the ports.
  15. S

    spring vapor lock?

    The exhaust ports look rust free. The elbows have some buildup inside, but not messing with the mating surfaces.
  16. S

    spring vapor lock?

    Update: Engine fired up beautifully almost all day, after the initial rough start. One time, is felt "seized" again (the starter semi-engaged, but no cylinder movement). After a few attempts, it fired right up. * I now suspect this might be a starter issue. When I retrieved it from...
  17. S

    spring vapor lock?

    UPDATE: Couple hours later, she fired right up. no oil in water, no water in oil. If there was an active exhaust manifold leak, could it run normally? What would I expect to happen?
  18. S

    spring vapor lock?

    I think this is from the exterior exposure, but I’ll order gaskets and plan to r/r.
  19. S

    spring vapor lock?

    It runs. I don't think so. there is visible rust on the bolts and attachments, but I don't see any corrosion on onside. the starter sounded good and was able to crank it over.
  20. S

    spring vapor lock?

    damn - that would mean that tonight's concert is not gonna happen. I was admittedly hoping someone would say - if it's running, let it run. When I retrieved it from storage, the bilge was full of rainwater. the base of the engine has clear signs of have been sitting in water. If I start...
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