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    BF50D Fuel pump issue

    Update on the HP pump issue. First a huge thanks to avh for laying out for me the procedure to access the HP pump. I followed the instructions and managed it ok. Also a thanks to iang6766 who made me aware of the possible other issues. I took a pragmatic approach and first changed oil and filter...
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    BF50D Fuel pump issue

    Thank you so much for taking the time to set out the procedure for removing the VST. This is just what I have been searching for and I am sure many others also. I now feel that I can confidently tackle the task with such clear information. I will take plenty of pictures during the procedure. Not...
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    BF50D Fuel pump issue

    Thank you so much this is the best information yet. I am a bit apprehensive on tackling the VST removal but now I know the sequence it will be easier. Would you be able to expand on the cowling and fuel rail removal for me. I Just need a little more information to help. I have carried out all...
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    BF50D Fuel pump issue

    How easy is it to remove VST as I have the same problem and have carried out all the checks apart from removing VST to check pump and grommet. I am looking for someone to guide me through the VST removal process. Where do I start and what is the easiest way to do it?
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    BF50D Fuel pump issue

    Thanks for all your help. It is as you say very hard to diagnose without hands on, however it will do no harm to get the VST off and have a good look to eliminate pump and grommet problems. It will help me also to better understand the workings of my motor. It was so much easier with my old 2...
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    BF50D Fuel pump issue

    Hi Changed the fuel supply and primed the primer which makes no difference. The motor runs ok for 20 or so minutes then stops as if running out of fuel. The primer remains solid throughout. Getting more convinced that the problem lies within the VST. It will be interesting to get to the bottom...
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    BF50D Fuel pump issue

    Thank you very much for your very informative response. Much more to think about. The fuel is always fresh and the VST fills ok. The motor runs perfectly fine for 20 minutes or so then dies as iif it has run out of fuel and will not restart, but starts and runs perfectly the following day from...
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    BF50D Fuel pump issue

    Yes this seems to be a common problem with these motors. I am still trying to source information on how to remove the VST. Would like a step by step guide but unfortunately information on line seems scarce on the Honda BF50D efi. Perhaps Some enterprising engineer will see the need and post a...
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    BF50D Fuel pump issue

    Hi Unfortunately the motor is 2016 so out of warranty. Still trying to find a video of how to fix. Will probably have to tackle the job and very carefully dismantle the VST. Thanks to everyone
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    BF50D Fuel pump issue

    Thank you I will need to have a look and see how to remove the cowl and then take it from there. I am in no rush as just need it fixed before my trips out next summer. My engine has done less than 50 hours and had the same problem after 25 hours running and was fixed under warranty. They fitted...
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    BF50D Fuel pump issue

    Thank you for your help. Is there a video or step by step guide I can get hold of. I now know that the air intake complete with throttle assembly can be removed but not sure how to go about that. Are the injectors and assembly left in position when removing the air intake? Just wish I knew how...
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    BF50D Fuel pump issue

    Hi all, I have the same issue exactly on my BF50D efi and want to carry out the same remedial action and trim the grommet, however having a look at the VST I am slightly phased by the task. I am hoping that someone on this post can help. Can the HP pump in the VST be accessed without removing...
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    BF 50D efi VST

    Is it possible to access the High Pressure fuel pump from BF50D EFI without removing VST from motor. I ask because removal of VST seems quite complicated. If I have to remove VST can anyone who has experience of this point me in the right direction or give a step by step guide. Thank you.
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    1999 DF70 stumbling/surging around 3500 and will not rev past 4200 RPM

    Thank you. The video is very informative and gives me a good idea of what is involved. Would have liked a video showing the VST removal on a BF50 efi. Have looked everywhere without any luck. Will keep looking. Cheers.
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    Honda BF50 efi VST removal

    Great video very informative. Have a better idea now how to proceed. Thank you.
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    Honda BF50 efi VST removal

    Thank you. Just need to know how to remove VST from engine. Was hoping that there would be a video or something showing me how to go about the removal.
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    Honda BF50 efi VST removal

    Hope someone can help. I need to remove VST to inspect/replace grommet on fuel pump. Is there somewhere I can find step by step instructions on how to remove VST. Have looked on Utube without any luck. Thank. you
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    Honda BF50D lower unit drain/fill plug washer size

    Hi, Does anyone know the size of the drain and fill plug washers. Have been unable to get part numbers from diagrams. Thankyou
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    Honda BF50D High Pressure Fuel filter Fitting

    Hi, Have removed my HP fuel filter and cannot remember which end goes toward the VST. The filter has a seal and i am not sure which way it goes as it can fit both ways. The spring is in the same position as when the filter was removed. I am not sure if the filter seal should press against the...
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    Honda BF50D High Pressure Fuel filter Fitting

    Hope someone can help, Which way does the High Pressure filter fit? Does the seal side face the VST or does it face outwards? Cheers
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