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Thread: 2007 R1200GS - Spins but won't start

  1. #1
    Registered User bobmorse's Avatar
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    2007 R1200GS - Spins but won't start

    I have a 2007 R1200GS with less than 2,000 miles on it. The past few years, it has only been ridden 20 miles or so to get its annual inspection. Went to fire it up in preparation for May 31st annual inspection due date, and to post the bike for sale.............Everything lights up as expected, engine spins rapidly..........doesn't fire. Battery has been on a battery tender all winter, bike has fresh gas. The only "error" messages are for low fuel, and brakes. I think both of these only reset when I run the bike.........which I can't.

    Can anyone advise this old phart where to look first to solve the problem at getting this bike running, inspected, and hopefully sold?

    Thank you for your guidance.

    /Another Bob

  2. #2
    Registered User dirtmerchant's Avatar
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    I think I'd check plugs to be sure you have spark, if so I would then look at the fuel pump.

  3. #3
    Addicted to curves azgman's Avatar
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    Yep, I agree, check to see if the fuel pump is working. Most likely it is the fuel pump controller; an easy fix.
    MOA #107139
    RA #28511

  4. #4
    Quote Originally Posted by azgman View Post
    Yep, I agree, check to see if the fuel pump is working. Most likely it is the fuel pump controller; an easy fix.
    Easy, not cheap....

  5. #5
    Registered User bobmorse's Avatar
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    Thanks for your suggestions

    I'll take a look and get back to you.

    /Another Bob

  6. #6
    Addicted to curves azgman's Avatar
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    I think the fuel controller is about $150... that's about as cheap as a repair can get!
    MOA #107139
    RA #28511

  7. #7
    Registered User ajaxthegreater's Avatar
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    If the fuel pump is working you should be able to smell unburned gas at the exhaust pipe outlet after you've cranked it over for a minute or two. If not I'd suspect electrics, like spark.
    Bill in Highlands Ranch, CO
    2012 R1200RT and some other older junk

  8. #8
    Registered User bobmorse's Avatar
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    I'll add that to the list of things to check

    Thanks, Bill. I'll get my sniffer ready to check it in the morning.

    /Another Bob

  9. #9
    A bozo on the bus deilenberger's Avatar
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    An engine needs 4 things to run:

    1. fuel to burn
    2. ignition to fire off the fuel
    3. oxygen to combine with the fuel and make a burnable mixture
    4. someplace for the resulting waste products to go


    The most likely reasons for it not firing are #1 or #2. Unless you've blocked the intakes somehow - it has #3, ditto on #4 (I did have a friend who once corked up the exhaust on his GS to wash it - and forgot to take the cork out.. it wouldn't start.)

    Ignition failure is actually a rather remote item since there are two coils and two plugs in each cylinder. Chances are one of them out of the 4 would be working and at least you'd get a "bang" out the exhaust.

    So - that leaves fuel. Simple to check - pull one of the plugs. If the fault was ignition and fuel was reaching the cylinder - the plug and top of the piston would be wet with fuel. Not wet? Means there is no fuel getting there. Could be injectors or the pressure regulator - except these almost never fail. What does fail - especially on some models where the pump controller is mounted so it collects water - is - the pump controller.

    Pull a plug. Dry as a bone? Chances are it's the pump controller causing that - especially if it's the original one on an '07 GS.
    Don Eilenberger http://www.eilenberger.net
    Spring Lk Heights NJ NJ Shore BMW Riders
    '12 R1200R - I love this bike!

  10. #10
    Fortis Fortuna Adiuvat Omega Man's Avatar
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    racer7 gave us a really nice tutorial on fuel pump controllers- https://forums.bmwmoa.org/showthread...wanted-to-know
    OM
    "You can do good or you can do well. Sooner or later they make you choose." MI5
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    2009 F800GS 1994 TW200

  11. #11
    Old and Tired Gillie Dog's Avatar
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    They do die.......

    My fuel pump controller died yesterday way out in the boonies on a USFS paved road through the "forest". I pulled over under a shade tree and tried to start several times, no love. Said some swear words....

    Thanks to all the information here on this site about the likely hood of this failure I had the prerequisite GS911 and cell phone, Burns Moto bypass cable and tool kit with me. (also carry air pump and tire plug kit) GS911 said fuel problem, most likely fuel pump controller. Took of fairing, fuel pump well was very clean and dry, screws on controller were shiny. Pulled controller and sure enough underneath was about 1/3 filled with water, o'ring seal was not installed properly and pinched off to side leaving opening for water. Water must have been there many months because as the second owner I have never washed this scooter. Installed bypass, hit start button and instant start....... Put it back together, plugged in bypass and road the 75 miles to dealer I pass on the way home and they had one in stock, surprise, surprise. $226.04 plus tax. (I bet they install them regularly.) Went another 40 miles home, installed new controller and instant start just like with bypass.

    Not a good day.....................

    Stupid me I did not look under controller a couple months ago when fairing was off but the fuel pump well was clean and dry. Live and learn.

    Eric
    Last edited by Gillie Dog; 05-20-2018 at 08:26 PM. Reason: Spelling
    (New to me) 2010 R1200RT after HD Electra Glides for 35 years

  12. #12
    Registered User bobmorse's Avatar
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    Thanks for the tips

    Thanks Don and others.

    Will try to get out there today and look further.

    /Another Bob

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