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Thread: '94 K75 Seat Build

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  1. #1

    '94 K75 Seat Build

    I have this stock BMW seat pan I want to set up on my 'low' mount hardware. What's a good way to remove the rivets that hold on the cover and foam?
    Drill them out or what?
    In the front I want to extend the pan to meet the modified side cover. Also, to give enough coverage over the battery and the ignition unit on the right side. The lower sides in the front won't be load bearing. I'm looking to buy a material that I will rivet and glue to the stock pan. What material and thickness could work?
    This is the Corbin I have the extends to the tank and modified side covers. I don't want to mod the Corbin. I'll probably end up selling it, once a replacement is finished.
    Seat Pan 46.jpgRight Full 2.jpg

  2. #2
    The short answer is it won't fit without extensive modifications to the pan.

    That said, yes you drill out the rivets to remove a cover.
    Paul Glaves - "Big Bend", Texas U.S.A
    "The greatest challenge to any thinker is stating the problem in a way that will allow a solution." - Bertrand Russell

  3. #3
    Join Date
    Apr 2006
    Near Lynchburg, VA
    Good for you to be building your own and wanting to learn “how to’s”.

    The molded material that BMW uses works basically fine and would be nice if you could buy in blocks.

    I’m interested in building a seat also and hope you get some tips. There are bound to be some members that build their own. And hopefully at least one willing to give advice.

    Usually people with the knowledge of something will be willing to help people that want to learn.

    Keep us posted and GOOD LUCK.


  4. #4
    This K75 was already converted to take the unhinged ‘sliding seat’. As pictured, the Corbin has the two slots in the rear and a steel hook bolted into the front of the pan. The hook latch has a shaft going to the keyed lever on the side of the upper sub frame. Rotating the lever unlatches the front of the seat and lets you slide the seat forward and down for removing it.
    My plan is to cut slots for the rear hooks. Next I will lay Saran Wrap across the top of the bike. Lay clay on that, slide the seat into position and see how close the front is to the latch. If necessary, the bolted front hook will be positioned to fit into the latch. Also, I’ll know if the pan is well seated onto the frame rails. I figure the latch should not be load bearing.
    The side panels were modded as well. The big rubber bumper is long gone. The Corbin fits. It is 27” rear to front. At the front sides, the seat pan drops down to meet the abbreviated side panels and helps provide the protection the side panel did. I don’t want water to splash too easily on the (left side) battery and the (right side) ignition unit. My ‘new’ seat will have to have the same protective coverage.
    After the seat pan is completed, I’ll take it to John Longo in Rockville, MD for finishing to match me.

  5. #5


    Bro i think an extensive modifications to the pan is needed to adjust in better way..
    try it hope you fit that ...

  6. #6
    Registered User
    Join Date
    May 2008
    Western Massachusetts
    Can't say I actually understand what it is you are trying to accomplish, but if you are looking to build a seat pan, why not use the same material BMW uses?
    Since you are looking to glue and rivet material to your pan, maybe start with a donor pan that you cut up and piece it into the existing one you want to modify.
    Existing pans can be bought cheaply as part of old, worn-out seats sold online.

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