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  1. CaptnKingfisher

    Velvo penta does on water

    What was your procedure when you tuned the carb? Other thoughts: Inspect your fuel quality. I dump the gas out of my filter canister into a clear glass jar for inspection. Does it look like you've got good gas coming out of your tank? Next run the boat for a minute and read the plugs after you...
  2. CaptnKingfisher

    Mercruiser 5.0 dies while idling - no fuel from line

    Hope this doesn't count as hijacking, but maybe this is the same for OP, if the fuel pump has steel fuel lines how do you proceed? I haven't been able to figure out a fitting I can use to connect my gauge
  3. CaptnKingfisher

    Engine redlining after starting

    Take the air filter off. Have someone move the throttle control arm while you're looking at the carburetor and you should see where the throttle linkages is moving and needs to be linked to the throttle plate in the carb. When it is linked up and the throttle control arm is in the neutral...
  4. CaptnKingfisher

    No Power: Four Winns Horizon 200

    Check your fuses at the engine. If they're good crawl under the dash with your multimeter and test for power. If no power than I suspect battery switch connections
  5. CaptnKingfisher

    No Power: Four Winns Horizon 200

    Sounds like a loose connection. Either at the battery or at the battery switch. The fact that your bilge pump, horn, depth finder did not work, and they normally work with key in the off position tells me the problem is probably upstream of the keyswitch in the circuit which only leaves battery...
  6. CaptnKingfisher

    Mercruiser 5.0 dies while idling - no fuel from line

    How long did you crank for with the hotwire before deciding to vent through the filler cap?
  7. CaptnKingfisher

    johnson 25hp compression

    Sounds like you're running on one cylinder. You've got spark but is it strong and consistent spark (measure with an adjustable tester, how far does spark jump). If you're running on one (as confirmed by your cylinder drop test) I would methodically work through the ignition circuit to find out...
  8. CaptnKingfisher

    1999 115HP motor very tough starting, if at all

    The manual I use says for hard-starting hot: bad fuel (water), spark plugs (did you verify gap on your new plugs), ignition primary (when problem occurs check spark with an adjustable spark tester.. are you jumping 7/16" on each cylinder), and coil (a weak coil may "break down" as it becomes...
  9. CaptnKingfisher

    Outboard won't spin unless spark plugs removed.

    I suspect loose connection. Check starter selenoid and starter wires. Disconnect the battery to avoid shock, remove and clean wires with fine sandpaper or Emery cloth. Spray contact cleaner and reinstall. It takes nothing for your starter to spin the flywheel with the plugs out.. the fact that...
  10. CaptnKingfisher

    1986 Johnson 175 lost spark one bank

    Thanks for posting and updating happy boating
  11. CaptnKingfisher

    Dies when throttling up from idle after warm up/ 89 merc 3.7 2bbl

    Definitely sounds like flooding and i think your idle mix is set too rich. When you're flooded and can't restart the engine, have someone hold the throttle plate open while you crank and you should be able to start it up like that so you don't hafta wait 20 minutes.
  12. CaptnKingfisher

    Old v4 generations

    I love the late 70s V4s I used to buy em off Craigslist left and right in not running condition, get em for less than a hundred, get em running good then sell em for five or six hundred. That's the engine I learned on. Most common things I saw on the engines I bought were bad ignition systems...
  13. CaptnKingfisher

    Dies when throttling up from idle after warm up/ 89 merc 3.7 2bbl

    Bogging and needing starting fluid sounds like you're running rich. I'm not a fan of setting air mix by "x" amount of turns. I use an accurate tachometer (my timing light) and slowly turn idle mix screw clockwise until rpms begin to drop due to lean condition, then turn screw counterclockwise...
  14. CaptnKingfisher

    2018 Lexington 523 with Suzuki DF 115 that keeps stalling

    I think you're on the right track about a vent issue. Try cracking open your fuel filler cap and running the boat and seeing if the stalling problem goes away. If so, then you've confirmed your diagnoses
  15. CaptnKingfisher

    Boat bogging

    Might be worth reading this post https://forums.iboats.com/threads/3-7l-bogs-down-after-running-under-load-for-30-minutes.499122/
  16. CaptnKingfisher

    Skinny water boat.

  17. CaptnKingfisher

    Yamaha 115 4 stroke, starting problem

    Vacumn leaks are pretty easy to test for. Plenty of videos on YouTube that can prolly give you a better explanation than I could as I'm not familiar with fuel injection systems but get a can of carb cleaner and spray it around the intake manifold and around hose connections etc while the engine...
  18. CaptnKingfisher

    Skinny water boat.

    A flat bottomed fiberglass skiff might be a good fit for you. I had one called a stumpknocker that I really loved. It was only 14' and had 2 livewells and did everything I needed it to, and it was much steadier than the Jon boat I had before that
  19. CaptnKingfisher

    Yamaha 115 4 stroke, starting problem

    So this problem occured right after changing tanks? A new fuel pump temporarily fixed the problem, immediately came back after switching tanks and the problem persisted when you switched back.. I'm thinking you had bad fuel or some sort of debris in the gas tank. I'd remove the fuel lines and...
  20. CaptnKingfisher

    Mercruiser 3.0 rough idle at start and stumbles momentarily during acceleration

    I just replaced a Rochester carb on my omc 2.3 l. There weren't a lot of companies carrying that carb so I took a risk and ordered from flying fish carburetors (even though I read a couple negative reviews on this forum). But my experience was great, the carb arrived a week later and seems to be...
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