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Recent content by JuanToomany

  1. J

    Honda BF20D difficult to start

    Hi, Just to let you know the engine is running great now. I put the carb back on yesterday, with new gaskets. It started a bit rough but settled down after a couple of minutes. The tick over was high (1500rpm) so adjusted back down to 950ish. This morning it started first time at around 1800rpm...
  2. J

    Honda BF20D difficult to start

    Thanks. I might stop worrying about it as it doesn't affect the general running and starting. This engine is on a small river cruiser on a UK canal where the max speed allowed is only 4mph. As long as it starts well and is reliable that is probably enough for me. I noticed that the idle screw on...
  3. J

    Honda BF20D difficult to start

    Hi. Been away for 2 days. The smallest SS wire i have is 0.0055 inch (very small) but comes to an abrupt stop around 1/8" in. It's hard to believe that an orifice smaller than that would allow enough fuel through to be significant. If I seal the cleaner spray to the end of the primary jet...
  4. J

    Honda BF20D difficult to start

    This is the primary jet you are referring to? If so it seems quite solid about 3mm in (1/8"). I cannot push a small pin in more than that.
  5. J

    Honda BF20D difficult to start

    That was the image I was trying to post earlier. The brass tube seemed clear at first as cleaner came out through the hole above the accelerator piston, but when I sprayed the other way it abruptly stopped. I did what you suggested and now it seems clear. All other passages appear clear. Just...
  6. J

    Honda BF20D difficult to start

    Hi, Thanks for the reply. The piston was solid and I wasn't sure if it was supposed to move. However, the carb drawing shows the piston on top of a spring so, I took from that it should move. I put a small amount of a light oil around the edge of the piston and after a while (and a little...
  7. J

    Honda BF20D difficult to start

    It is a 2004 engine with auto choke. The choke appears to work ok according to the tests. The engine has had a complete service and the petrol has been changed. It starts straight away but quickly stalls. Have to keep fast idle on for a minute or so till engine warms. After this engine runs...
  8. J

    Honda BF20D difficult to start

    It is a 2004 engine with auto choke. The choke appears to work ok according to the tests. The engine has had a complete service and the petrol has been changed. It starts straight away but quickly stalls. Have to keep fast idle on for a minute or so till engine warms. After this engine runs...
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