Badly assembled at factory or failure?

Discussion in 'Crazy-Awesome almost Dakar racers (950/990cc)' started by buzybraza, Jan 13, 2013.

  1. buzybraza

    buzybraza Been here awhile

    Joined:
    Feb 28, 2010
    Oddometer:
    422
    Location:
    Escondido, CA
    So my 950 SE developed a coolant leak after 7k miles. This is what I found :
    What do you guys think? Badly assembled at the factory or something else?
    I think it is a very obvious assembly mistake by whoever did it at the factory. I am amazed it took 7k miles for the thing to actually start leaking!
    It was impossible to see the problem because of the location of the hose. I was only able to see the problem after disassembly.

    This is me inside the v of the motor pointing at the back of the forward cylinder:
    <a href="http://s1339.beta.photobucket.com/user/Ricardo_Fraga_Travassos/media/defectivehose1_zpsec56462c.jpg.html" target="_blank"><img src="http://i1339.photobucket.com/albums/o720/Ricardo_Fraga_Travassos/defectivehose1_zpsec56462c.jpg" border="0" alt="defectivehose1_zpsec56462c photo defectivehose1_zpsec56462c.jpg"/></a>
    and here is the "smoking gun"

    <a href="http://s1339.beta.photobucket.com/user/Ricardo_Fraga_Travassos/media/defectivehose3_zps65327243.jpg.html" target="_blank"><img src="http://i1339.photobucket.com/albums/o720/Ricardo_Fraga_Travassos/defectivehose3_zps65327243.jpg" border="0" alt=" photo defectivehose3_zps65327243.jpg"/></a>

    <a href="http://s1339.beta.photobucket.com/user/Ricardo_Fraga_Travassos/media/defectivehose2_zpse8d076c0.jpg.html" target="_blank"><img src="http://i1339.photobucket.com/albums/o720/Ricardo_Fraga_Travassos/defectivehose2_zpse8d076c0.jpg" border="0" alt=" photo defectivehose2_zpse8d076c0.jpg"/></a>
    #1
  2. NKL

    NKL Been here awhile

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    Oct 25, 2011
    Oddometer:
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    Location:
    Kent, England
    Badly installed.
    #2
  3. SauceSquatch

    SauceSquatch Been here awhile

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    Oddometer:
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    Location:
    Austin, TX
    +1

    IMO bad install, but I'm no expert.
    #3
  4. buzybraza

    buzybraza Been here awhile

    Joined:
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    Oddometer:
    422
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    Escondido, CA
    So I ended up with samco silicone hoses and I used the clamps that came with the kit. Pretty cool stuff. I like it!
    I am running evans racing coolant in it too. Never had overheating problems but I like the idea of running the cooling system with less pressure than it was designed for....
    <a href="http://s1339.photobucket.com/user/Ricardo_Fraga_Travassos/media/hosesamco3_zps9f77542d.jpg.html" target="_blank"><img src="http://i1339.photobucket.com/albums/o720/Ricardo_Fraga_Travassos/hosesamco3_zps9f77542d.jpg" border="0" alt="samco3 photo hosesamco3_zps9f77542d.jpg"/></a>

    <a href="http://s1339.photobucket.com/user/Ricardo_Fraga_Travassos/media/hosesamco2_zps21b10ab1.jpg.html" target="_blank"><img src="http://i1339.photobucket.com/albums/o720/Ricardo_Fraga_Travassos/hosesamco2_zps21b10ab1.jpg" border="0" alt="samco2 photo hosesamco2_zps21b10ab1.jpg"/></a>

    <a href="http://s1339.photobucket.com/user/Ricardo_Fraga_Travassos/media/hosesamco1_zpsd03495bb.jpg.html" target="_blank"><img src="http://i1339.photobucket.com/albums/o720/Ricardo_Fraga_Travassos/hosesamco1_zpsd03495bb.jpg" border="0" alt="samco1 photo hosesamco1_zpsd03495bb.jpg"/></a>
    #4
  5. dogsslober

    dogsslober No neck tie, Ti neck

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    Morgan Hill Ca
    Those look real good
    #5
  6. GrenDesb

    GrenDesb Been here awhile

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    May 6, 2011
    Oddometer:
    333
    Location:
    Québec
    Had something similar on my previous bike.

    Not a hose but a small diaphragm in one of the carbs. It's the fuel shut off valve that prevent gas to be sucked in by the engine vaccum on decel.

    Bike was burping and popping on decel and even a little on steady no load throttle cruising on the highway.

    [​IMG]

    [​IMG]
    #6
  7. ICERIDER

    ICERIDER Adventure Rider

    Joined:
    Jun 23, 2006
    Oddometer:
    855
    Location:
    Stanley Falkland Islands
    Very nice hoses thanks. Now on my list. Fit and forget for around £100.
    #7
  8. ericGSsti

    ericGSsti Been here awhile

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    I take it the Evans your talkin about is the waterless coolent. How is it going for you. I am toying with the idea myself for my 950 adventure.
    #8
  9. smitty141

    smitty141 Been here awhile

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    Apr 6, 2007
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    715
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    Hooterville Mo.
    I had a coolant hose at the plastic "Y" on the left side start leaking at 8000 miles. I removed the factory clamp and added a worm gear style replacement. I like the look of your hose:evil. And will change mine sometime over the winter. Even after replacing the clamp, the hose felt squishy.

    Smitty
    #9
  10. buzybraza

    buzybraza Been here awhile

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    Feb 28, 2010
    Oddometer:
    422
    Location:
    Escondido, CA
    It is going well. I run evans "motorsport coolant" both on my 2007 525 EXC and my 2008 950SE. I don't think I will ever go back to using regular coolants with water...

    In my opinion there are other benefits as well as down sides, but the fact that evans runs with a lot less pressure is mainly what sold me... I am not 100% sure about these numbers, but from what I can remember the bikes will run with about 20 psi in the cooling system with regular coolants against about 5 psi with evans waterless....
    #10
  11. unaweep

    unaweep Uses lotsa band-aids

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    Jan 2, 2006
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    27,114
    Location:
    Western Colorado
    Air cut valve on the 950. There's a jet under the velocity stacks, too.:deal
    #11
  12. Sumi

    Sumi Long timer

    Joined:
    Mar 30, 2010
    Oddometer:
    1,897
    Location:
    Hungary
    I have the same issue on my bike.. Is it possible to only buy this diaphragm, or do I need the complete rebuild kit?
    #12