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  1. M

    Honda BF130 problems, needs input

    Thanks for the correction, I was looking right at the intake valve pockets and called it the block, caffeine hasn't kicked in yet today. :)
  2. M

    Honda BF130 problems, needs input

    That third picture where the block is completely plugged up, that would convince me to try one of the chemical solutions for removing that stuff, assuming you cannot physically get to all of it after disassembly. Get on youtube and look for videos using rydlyme or barnacle buster to dissolve...
  3. M

    Stall at high rpm!

    Does it have an overheat alarm that works? I had an old outboard that had an overheat problem (1960's motor, stopped pumping water above idle), it would actually seize when it got hot. But almost as quick as I could get to the pull-rope it had cooled enough to free up and re-start. Is there...
  4. M

    Stall at high rpm!

    Can you reproduce the issue while someone is continually squeezing the fuel bulb? If not, then it's likely you have an air leak somewhere. Also remove the connector from the motor side of the fuel line and be sure that fuel flows freely when squeezing the ball. Some gas lines can collapse...
  5. M

    Honda BF130 problems, needs input

    It sounds like you're just seeing the same oil + water mix in the tube that was in the rest of the motor, which is not surprising.
  6. M

    Honda BF130 problems, needs input

    Indeed I'm a computer engineer, but do my own mechanical work whenever possible. I get a little OCD about details sometimes. ;) If the bolts are not the TTY type then they may be reusable, so you could be just fine. It varies motor to motor and I have no idea if Honda typically uses TTY...
  7. M

    Ring seal can seal the deal -- bf100 '85 cooling

    It should never leak water, replace the gaskets. Make sure the sealing surfaces are clean (no old gasket material) and flat before re-assembly with the new gaskets.
  8. M

    Ring seal can seal the deal -- bf100 '85 cooling

    No part of the motor should be leaking water. I would disassemble and make sure the mating surfaces are clean and flat and the gasket is in good shape. Worst case you can use some gasket maker or gasket sealer compound on it, but I would save that as a last resort. A side note; water leaking...
  9. M

    Honda BF130 problems, needs input

    What @ahicks is referring to is called a Torque To Yield (TTY) bolt. You torque it to some specific value, THEN turn it an additional "x" turns past that point. At this point the bolt actually stretches, intentionally. These bolts cannot be re-torqued or re-used. Some engines use these...
  10. M

    Honda BF130 problems, needs input

    When you removed the #4 spark plug, was it very clean? Often if you get water intrusion and it goes for any length of time, the water will steam clean the cylinder, so that piston and spark plug will often look unusually clean. If you're getting water intrusion then you need to figure out...
  11. M

    Tohatsu 9.8 HP Revival.-

    Maybe the pilot jet is set a little rich? When the cowling on, it's going to hold heat and the air going into the carburetor will be hotter than without the cowling. Hotter air needs less fuel. Just taking a guess since that is an odd one.
  12. M

    Ring seal can seal the deal -- bf100 '85 cooling

    You've got multiple questions. Yes part #9 is important, make sure you have a good one installed before further troubleshooting, then you can mark it off the list of suspects. You can also drop the lower unit, hold a hose on that pipe and turn the water on and see if you get any water...
  13. M

    Compression test low on BF100 honda mid 80s

    If you have low compression AND you're burning oil, then that's a big red flag that your piston/rings/cylinder are likely worn or in the least the rings are stuck. But you did say that you were putting oil into the cylinders, are you sure it's not just that oil coming out? Did you ever verify...
  14. M

    Square grouper and stuff

    I'm just curious in what other areas out there do people sometimes find the proverbial square grouper floating around (bricks of pot or cocaine)? Here in FL it's still somewhat common, but does it happen in other areas too? This news article from today, combined with my ADD, is what triggered...
  15. M

    Run Carb Dry or Not.-

    It's the humidity. The ethanol in the fuel absorbs the water right out of the air and creates a mess. This is the closest to a scientific study that I have, but his results match my results perfectly. FF to about 12:38 for his summary: The small carbureted 4-strokes suffer the worst. I've...
  16. M

    2010 Honda BF90D Issues

    Nice work, it sounds like you've most likely found the problem.
  17. M

    Run Carb Dry or Not.-

    Where are you located? Stabilizer is not good enough in Florida. Even stabilized gas starts turning yellow after a couple of weeks and turns to goo if you leave it long enough.
  18. M

    Run Carb Dry or Not.-

    We still have non-E gas here, for now, but they get an extra $1 or $1.50/gal for it.
  19. M

    Honda BF90D Flush Port Clogged

    Sand and silt can build up along with salt. If it's used in shallow or silty water a lot, sand can settle out inside the motor and build up over time. How to get it out is another story. Short of disassembling it, maybe try to attach a stiff plastic or rubber hose to the end of a garden hose...
  20. M

    Run Carb Dry or Not.-

    It's the ethanol that is the major problem, it absorbs moisture from the air and creates a corrosive goo that just corrodes everything, as your pictures show. It's a major problem in humid places like S. FL where I live. If you have the option, use ethanol free gas, it really does make a...
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