Water in the fuel pump well. - BMW F800 Riders Forum & Registry



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  1. #1
    Pat H's Avatar
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    About 5 years ago I discovered a lot of water sitting in the fuel pump well.
    The metal ring that holds the pump assembly in was rusted.
    I managed to get the ring off clean it up and paint it.
    Had the seat off today and looked in there (normally my puncture kit lives above it so I can't see in there at a glance.
    And I discovered it full of water and the ring rusted away completely over about a 1/3 of the circumference.
    Luckily I had a whole spare pump assembly so took the opportunity to replace the whole lot.
    All done and good now.
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    Flame red F800s as of Nov 2006. Watch for me around North London.


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  4. #2
    308bever's Avatar
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    wow, i thought it held it all together!

  5. #3
    Ware, Herts, UK Pat H is offline F800Riders.org Supporter
    Pat H's Avatar
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    It does but luckily the pumps a tight fit and enough ring was left.
    Flame red F800s as of Nov 2006. Watch for me around North London.


    Don't miss the F800 Garage Door Opener Video: http://www.youtube.com/watch?v=1C-Bxifv2Pk 

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  7. #4
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    This is a good heads up for those of us that live in wet climate.
    Although most (I think) are in a pretty bad drought.
    How many miles are you up to now Pat?
    07 F800 ST 

  8. #5
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    thanks for posting this up.
    we had the seat off my brother's new to him 08' st, and remembering seeing this thread, i pushed down on the rubber cover over the fuel pump, only to be met with the unmistakable feeling of loose, crunchy metal.

    ordered up a new ring, part number 16116760285. will try and take photos when fitting

  9. #6
    Daboo's Avatar
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    I use a leaf blower to blow off most of the water on the bike. It works great at getting rid of the water sitting in that area.

    Chris
    Elnathan - 2014 BMW F800GT
    IBA# 49894 True Rounder = 0-20's - Rounder -- to -- 100's+ Red Hot Rounder

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  10. #7
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    Sorted it earlier today.
    Was worse than Previously thought. Everything from the curved part of the ring down had rusted away to nothing, leaving absolutely nothing at all holding the pump down. Would have never have thought to look under the rubber cover if it wasn't for this thread.
    Needed a vacuum cleaner, a cloth, a brush and a screwdriver to clear the remnants of the old ring.

    Old vs new
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