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Thread: 2002 R1150R dies once at operating temperature

  1. #1
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    2002 R1150R dies once at operating temperature

    My 2002 R1150R died on the way home from work the other night. It was a nice 75º day. Cranked over just fine but wouldn't start. After about 30 minutes on the side of the road it started right up and ran fine. I made it a few more miles before it died again. I repeated this process 4 times before I finally made it home.

    I'm having trouble diagnosing this as it only dies once its up to temperature.

    I can confirm that the following (though I haven't been able to check these when it won't start):

    • side stand switch is good
    • Hall sensor is good (replaced 8k miles ago)
    • have spark
    • have fuel flow from injectors (though it doesn't look strong, I'm not sure how strong it should be)


    Any thoughts or advice is appreciated!

    Thanks,

    Jim

  2. #2
    Registered User m_stock10506's Avatar
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    Your 2002, it’s still a single spark model right? One spark plug on each side. If so, you have a central ignition coil. Gets hot and stops sparking, cools off and sparks again. If your bike has stick coils, I can’t help you.
    Michael Stock, Trinity, NC
    R1100RT, R100, R60/6

  3. #3
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    Quote Originally Posted by m_stock10506 View Post
    Your 2002, it’s still a single spark model right? One spark plug on each side. If so, you have a central ignition coil. Gets hot and stops sparking, cools off and sparks again. If your bike has stick coils, I can’t help you.
    Correct, single spark. This echoes what I'm thinking... I've got another coil on the way from Beemer Boneyard, just wanted to see if there is something I'm not thinking of.


    Thanks!

  4. #4
    got, got, got no time... rguy's Avatar
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    Temperature sensor?
    Neal - '16 R1200GS / '81 R65
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  5. #5
    Pepperfool GSAddict's Avatar
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    Quote Originally Posted by rguy View Post
    Temperature sensor?
    Will not cause a failure, just a code and default fuel map.
    '
    Ufda happens..........

    Need your R11xx Hall sensor rewired? PM me.

  6. #6
    Pepperfool GSAddict's Avatar
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    Was the replaced hall sensor new? or?
    '
    Ufda happens..........

    Need your R11xx Hall sensor rewired? PM me.

  7. #7
    Fortis Fortuna Adiuvat Omega Man's Avatar
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    Would you happen to know the age and condition of the battery?
    OM
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    Quote Originally Posted by GSAddict View Post
    Was the replaced hall sensor new? or?
    Yes, brand new Hall Sensor about 8k miles ago. It's in great shape, one of the first things I checked. Also, when the original HES failed it was more of a sputter and stall. This is just a stall, no sputter.

  9. #9
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    Quote Originally Posted by Omega Man View Post
    Would you happen to know the age and condition of the battery?
    OM
    Battery is a couple years old and still holds 11v or more while cranking.

  10. #10
    Registered User dieselyoda's Avatar
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    You are onto something with fuel flow. Look at fuel filter and the pump.
    1997 R1100RT, 1981 KZ 440 LTD, R80RT, R90/6 sidecar, K1100RS,1983 K100RS (Cafe now)

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  11. #11
    Registered User roger 04 rt's Avatar
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    Quote Originally Posted by jrsndman View Post
    My 2002 R1150R died on the way home from work the other night. It was a nice 75º day. Cranked over just fine but wouldn't start. After about 30 minutes on the side of the road it started right up and ran fine. I made it a few more miles before it died again. I repeated this process 4 times before I finally made it home.

    I'm having trouble diagnosing this as it only dies once its up to temperature.

    I can confirm that the following (though I haven't been able to check these when it won't start):

    • side stand switch is good
    • Hall sensor is good (replaced 8k miles ago)
    • have spark
    • have fuel flow from injectors (though it doesn't look strong, I'm not sure how strong it should be)


    Any thoughts or advice is appreciated!

    Thanks,

    Jim
    You probably have a split hose in the tank.

    —Separate the two halves of the upper QD (fuel return line)
    —press in the check valve on the male (left hand) QD
    —turn the key on

    During the 1-2 seconds that the fuel pump runs you should get a strong surge of fuel.

    If the bike will idle and you can direct the flow into a container you should get about 2 liters in one minute. If the bike won’t idle you can jumper the fuel pump relay with the bike off.

    If you get a strong surge and/or 2 liters/min, the pump filter and hoses in the tank are good.

  12. #12
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    Quote Originally Posted by roger 04 rt View Post
    You probably have a split hose in the tank.

    —Separate the two halves of the upper QD (fuel return line)
    —press in the check valve on the male (left hand) QD
    —turn the key on

    During the 1-2 seconds that the fuel pump runs you should get a strong surge of fuel.

    If the bike will idle and you can direct the flow into a container you should get about 2 liters in one minute. If the bike won’t idle you can jumper the fuel pump relay with the bike off.

    If you get a strong surge and/or 2 liters/min, the pump filter and hoses in the tank are good.
    Thanks Roger. I’m not sure I understand why the bike will run fine for 20 mins or more and then stop. If there was an issue with a hose in the tank or fuel flow, wouldn’t it be there all the time?


    Sent from my iPhone using Tapatalk Pro

  13. #13
    Left Coast Rider
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    I'm thinking coil.

    Had this same issue with a car once. Of course, that was about 100 years ago before every plug got its own fancy-shmancy, private-use-only coil.

  14. #14
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    Quote Originally Posted by BC1100S View Post
    I'm thinking coil.

    Had this same issue with a car once. Of course, that was about 100 years ago before every plug got its own fancy-shmancy, private-use-only coil.
    This is a single spark version, no individual coils.



    Sent from my iPhone using Tapatalk Pro

  15. #15
    Left Coast Rider
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    Quote Originally Posted by jrsndman View Post
    This is a single spark version, no individual coils.
    Sent from my iPhone using Tapatalk Pro
    Yup, got that from your previous post. I was referring to newer cars...and my K bike.

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