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Help MC19/22 Waterpump Interchangability

Discussion in 'Honda 250cc In-line 4's' started by Revolver, Apr 14, 2018.

  1. Revolver

    Revolver Big Member Premium Member

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    Hey all,

    So the water pump has sprung a leak on the MC19, & needs to be replaced.

    Now A.C. Has offered up a MC22 pump. Can anyone confirm that they are a direct swap?

    From the outside they look the same.

    But my mate who is the service manager at Pro Honda says the MC19 & 22 a completely different engines, & dosent believe they are. But he cannot confirm. Being that he doesn’t get many if any MC19’s come in.

    Can anyone help out with this little nugget?

    Cheers.
     
  2. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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  3. Revolver

    Revolver Big Member Premium Member

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    Huh, I looked on Cmsnl & couldn’t find part numbers! My eyes must have been painted on that day.

    Or my servere sleep deprivation!
     
  4. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    Click on the 'more info' tab below the part name's
     
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  5. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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  6. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Soon they will have entire engines for sale. How does this happen I wonder. Hard to believe that they are reverse engineered.
     
  7. risky

    risky risky

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    from chinese made parts for my ford falcon i would say the water pumps will be equal or better than the honda originals.
     
  8. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    If it's anything like the Honda and Kawasaki engine's that are copied for pitbike's, Honda only has a patent of 3 or 4 component's from the complete engine, the rest of the part's can be copied or used in anything.
    And a lot of the big manufacturer's use part's made in china anyway
     
  9. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Some parts for my Land Cruiser are made by Aisin such as the water pump and viscous hub ... a huge Japanese automotive parts company partly owned by Toyota and of course sold as 'genuine Toyota' .... I doubt theres any Chinese input involved in such parts


    hub.png
     
  10. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    Does it really matter where stuff is made if it does the job at a reasonable price?
     
  11. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Depends on what it is ... a brake rotor or a water pump I would shop differently than a seat cover or a blinker assembly :D
     
  12. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    TIANJIN AISIN AUTOMOBILE PARTS CO.,LTD.
    Business Activities: Manufacture and sale of automotive parts
    President: Masahiko Komuro
    Location: 8 BeiCang Road, BeiChan District, Tianjin, CHINA
    Telephone: +86-22-2681-1524
    FAX: +86-22-2639-0977

    Have a read here,
    They make all sort's or automotive part's, automatic transmission's, gearbox cases, clutch disc's, disc rotor's, brake's, proportioning valve's, booster's, water pump's, fan coupling's etc etc under licence from Toyota, Honda, Peugeot, Citroen, VW, Chevrolet and Ford
    https://www.marklines.com/en/top500/s500_435

    The original casting's may be made in China/Phillipine's/Taiwan then they ship them to Japan to be machined and assembled etc,
    and i'm guessing when they're all put together that they'd be checked for quality control and repacked into Toyota box's etc

    Doesn't really matter where thing's are made, as long as the quality is high, and they can do the job they're made for
     
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  13. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Following on from that. This is what I was driving at. Many OEM parts are obviously made in China. Let's say Honda was getting the water pumps made in China? Then what happens if Honda no longer wants to order any more because they have to order 1000 at a time because of the original agreement? The manufacturer is now free to sell to whoever? It seems like that is what is happening to me.
     
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  14. Andych

    Andych Moderator Staff Member Premium Member Contributing Member Dirty Wheel Club

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    Just look at bearings... I think @Murdo showed some SKF bearings that when you open them up have made in China on them..
    I bought some bearings the other day for the motor on the compressor and ended up with Nachi bearings because that is basically all the Industrial supplies shop keeps.. because they are still made in Japan.
    They were a little dearer and probably didnt make any difference in that situation but as he was the only one open on Saturday..
    There are many big names that manufacture in China.. most have their own tooling and machinery as well as their own Management etc.. but the availability of cheap facilities and labour plus Government incentives are hard for them to resist and generally quality id very good.. it is a tough choice sometimes..
     
  15. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    SKF bearing.
    speed racer 010.JPG
    Wiseco piston kit.
    zzr 5 005.JPG

    zzr 5 004.JPG

    zzr 5 007.JPG


    :idk:
     
    Last edited by a moderator: Jun 21, 2018
  16. Andych

    Andych Moderator Staff Member Premium Member Contributing Member Dirty Wheel Club

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    I must check my Wiseco piston. Most likely the same. I love the quality of the forged piston though.


    Sent from my iPhone using Tapatalk Pro
     
  17. Leaky

    Leaky Active Member

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    Been a little while, any opinions on the quality of the pump? :p
     
  18. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    All good, has been no problem with it. Can recommend them for replacement.
     
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