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  1. Z

    BF130 water in oil and questionable compression

    One last question before I wrap this up for the evening. How much water should I expect to see out of the exhaust? As with all of my air tests I seem to get an equal amount of back-flush water out of the exhaust as I am the inlet.
  2. Z

    BF130 water in oil and questionable compression

    Thanks for the vote of confidence jgmo! I will keep digging and update when I find something.
  3. Z

    BF130 water in oil and questionable compression

    Back to the cooling circuit. Where does it come out of the block? Is it under the port side/exhaust side of the head? I pulled my vapour separator, as well as the Oil jacket cover. Without fully understanding the cooling circuit I am simply trying to piece it together. JGMO can you expand...
  4. Z

    BF130 water in oil and questionable compression

    You had me worried Bob, but I remembered that I ordered my gaskets from Boats.net. I did go back to verify, and thankfully I did install 12251-ZW5-023
  5. Z

    BF130 water in oil and questionable compression

    Just tried again without thermostat and without change.
  6. Z

    BF130 water in oil and questionable compression

    Finally received my parts from boats.net. Installed new impeller kit, missing relief valve and spring. Absolutely no change! Ran it up until the overheat sensor alarmed. Getting mild warm water out of the tell tale but still just a trickle. I am at a loss!! Any ideas?
  7. Z

    BF130 water in oil and questionable compression

    You were right! It wasn’t even there when I pulled it to swap the head. I even cleaned the holder for the spring without noticing it was supposed to be there. Nice find
  8. Z

    BF130 water in oil and questionable compression

    Is there any kind of schematic or description of how this cooling circuit is supposed to function? Assuming in through the tube into block. Must be a divider of sorts in there. Block cooling on one side, fills water jacket on other waiting for thermostat to open. through thermostat into...
  9. Z

    BF130 water in oil and questionable compression

    I did check this and it seems ok. I did purchase a new one with my rebuild parts and the new one was definitely larger. I could not use it as it wouldn’t fit the housing. If jammed open the water would come out the flush hose I presume?
  10. Z

    BF130 water in oil and questionable compression

    I did not have the thermostat removed for this test.
  11. Z

    BF130 water in oil and questionable compression

    Thanks for this, I will look closer at the routing this evening. Perhaps you are onto something here.
  12. Z

    BF130 water in oil and questionable compression

    https://share.icloud.com/photos/02epXeRmPEe3bfHkjuLmTe8tQ Not sure if this will work🤞🤞
  13. Z

    BF130 water in oil and questionable compression

    That’s a good place to start. Thanks Pulled the lower gear case this afternoon as well as extension cover. #8 and associated grommets appear to be ok. Hooked hose to this pipe and again only getting slight flow out of pee line. pulled all lines off and blew compressed air into them. No...
  14. Z

    BF130 water in oil and questionable compression

    Bob, I took your advise and brought in a head from Impex. Parts came in within 2 weeks and over the past weekend swapped all related components. Thanks again for the link to that site. Now... why did this head crack in the first place? Dumped the oil again, and fired it up. Was quite...
  15. Z

    BF130 water in oil and questionable compression

    Thanks for the links Bob
  16. Z

    BF130 water in oil and questionable compression

    Thanks Well Shoot!! A cracked head!😭 Block looks ok as far as I’ve can see. Did the leak down as you suggested and was pretty sure I was going to find a cracked head as I heard air coming out of cool side and exhaust side. Can’t seem to attach pictures. Too large. Haven’t started surfing for...
  17. Z

    BF130 water in oil and questionable compression

    Hey all, Bought a used bf130 at a too good to be true price. Milkshake oil but not super high on dipstick. Dumped the oil and bought the cheapest I could find to replace it as I was unsure if it was an issue or condensation. Motor fired up nicely with the new oil. No smoke or sputter, was...
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