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Thread: Honda Engine?

  1. #1
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    Default Honda Engine?

    Hi,



    I have a plywood hovercraft, possibly an old Eagle, but it doesn't have an engine.



    I'd prefer a small 4-stroke and I've been offered a Honda 250cc Super Dream.



    It's a twin, electonic ignition, probably electric start too, but I can get the whole bike and use whatever I need.



    Is it possible to use this engine or will it cause major problems?



    I'm not sure but I belive the Honda is a 'wet' primary chain, ie, the chain runs in oil from the sump (I need to confirm this before I buy the bike).



    Regards

    Peter

  2. #2
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    Default Re: Honda Engine?

    Toooooo heavy try to get a cb500 been used and ok

  3. #3
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    Default Re: Honda Engine?

    Hi Peter,



    I have a CB500 With its running gear (5000 miles - 1998)

    I used one of these in an intergrated hull and found it reliable and very cheap to run.I made a couple of mods to mine which i found to be well worth the effort.

    I am looking for 250 for it

    If you are interested.



    Richard



    pythonmotorcycles@btinternet.com

  4. #4
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    Default Re: Honda Engine?

    the honda engine is wet, and very heavy for the power output! i wouldnt bother with it. if memory serves they are less than 40hp?

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    Default Re: Honda Engine?

    Much less than 40hp... maybe 25 Japanese horses, and to get those you had to wring its neck without mercy!

    Ian

  6. #6
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    Default Re: Honda Engine?

    Hi,



    thanks for the advice.



    the previous owner said it originally had a 2-stroke engine that had 'blown' so he removed it but didn't get around to replacing it with another.



    I understand that it was a 250cc of some kind, with a power output of 18 BHP or something close.



    As I understand it, a 500cc engine with 40 BHP would be a waste of power unless I changed the duct and fan to use that extra power. Is that correct?



    Someone local suggested the Kawasaki 500 engine but it develops 50 BHP and is a beast of a machine. Far too heavy for the hull that I have.



    If I'm going down that route then I'd prefer to start a completely new craft.



    There are lots of cheap 250cc 2-stroke bikes available, maybe that'll be my best option to get some use out of this one?



    I'd really like to build a two engine 3 - 4 seat cruiser but that's a long-term goal. If I can I'd like to get this one running this Spring.



    Regards

    Peter


  7. #7
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    Default Re: Honda Engine?

    whats the diameter of your duct?

  8. #8
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    Default Re: Honda Engine?

    Hi,



    I've not measured it but I would guess around a couple of feet, 60cm.



    When I asked what sort of speed it could do I was told around 20mph...it's not a 'racer'



    Regards

    Peter

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