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Thread: F800GT Valve Check/Adjust

  1. #1
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    F800GT Valve Check/Adjust

    2013 F800GT, 44xxx miles. Does the radiator have to be drained & removed to check valve clearance? Iím attempting to do a valve check but I canít move the radiator out of the way. According to the Haynes manual Iíve removed the necessary fasteners, not the hoses because I donít want to change the coolant at this point, but the radiator doesnít budge to allow removal of the radiator heat shield.

    I just got this bike and thereís no record that the valves have been checked so I wanted to take advantage of the Winter to get it ready for Spring. Service access is not a strong point of this bike.
    lostandwandering
    87 K75S, 2013 F800GT

  2. #2
    Back in the Saddle mcmxcivrs's Avatar
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    Assuming the GT is the same as my wife's ST, then yes, the rad needs to come out. It's not really a big deal to remove it. Good time to also replace the spark plugs. The coolant change, while not in your plans is your choice since its drained, it only holds a couple liters so not a major expense.

    Now if you want a really service challenging bike, come work on my K1200GT, you'll love the simplicity of your GT by comparison.
    Ed Miller, Calgary, AB
    2008 K1200GT, 2019 F850GSA

  3. #3
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    Thanks Ed. You were right, there isnít a lot of coolant to replace. My attempt to just loosen the radiator was to avoid adding to the pile of parts.
    lostandwandering
    87 K75S, 2013 F800GT

  4. #4
    Debbie's Servant Lee's Avatar
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    Quote Originally Posted by mcmxcivrs View Post
    . The coolant change, while not in your plans is your choice since its drained, it only holds a couple liters so not a major expense.

    .
    Do the F bikes need to use vacuum when refilling the coolant?
    Lee
    2016 R1200RS
    MOA # 30878
    Past BMW Bikes: 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  5. #5
    Registered User drneo66's Avatar
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    Quote Originally Posted by Lee View Post
    Do the F bikes need to use vacuum when refilling the coolant?
    I know it's recommended for the GS's, but you can get away without the vacuum it if you're careful. I followed the procedure here, but rocked the bike back and forth 4 or 5 time before I even started it up as I know it doesn't take a lot of air to cause problems. I squeezed on the hoses a bit too. Each time I would get another little burp when I opened the bleed bolt by the pump. Also, after I rode the bike a couple times, I again opened up the bleeder bolt.
    Current: 2007 BMW R1200RT, 2013 F800GS
    Former: 1995 BMW K75S, 2009 BMW G650GS
    MOA Member #:150400, IBA#: 37558

  6. #6
    Back in the Saddle mcmxcivrs's Avatar
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    Quote Originally Posted by Lee View Post
    Do the F bikes need to use vacuum when refilling the coolant?
    No, there is a bolt you remove for an air bleed at the water pump area to allow the engine case to refill.

    The vacuum method is used on some bikes because the rad cap is lower than the top of the engine and its the only way to fully fill it.
    Ed Miller, Calgary, AB
    2008 K1200GT, 2019 F850GSA

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    Using a vacuum tool makes the job really easy. It was a good investment.

    Sent from my SM-T813 using Tapatalk

  8. #8
    Registered User drneo66's Avatar
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    Quote Originally Posted by RadioFlyer View Post
    Using a vacuum tool makes the job really easy. It was a good investment.

    Sent from my SM-T813 using Tapatalk
    Which make/model of vacuum did you go with?
    Last edited by drneo66; 11-18-2020 at 01:09 PM.
    Current: 2007 BMW R1200RT, 2013 F800GS
    Former: 1995 BMW K75S, 2009 BMW G650GS
    MOA Member #:150400, IBA#: 37558

  9. #9
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    Quote Originally Posted by drneo66 View Post
    Which make/model of vacuum told did you go with?
    I bought an Airlift after watching this video (similar but not identical procedure for the F800s).

    https://youtu.be/Sb3PDFVvnY4

    If you have the BMW service manual you can follow its instructions just substituting the Airlift for the BMW tool.

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