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Top box mount for R100RS - IDEAS WANTED

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Peter Frise
(@peter-frise)
Posts: 5
Active Member
Topic starter
 

Hi All:

I have an '83 R100RS with the stock dual seat with the rather cute but rather useless little carrier rack.  I also have a nice Honda GL1100 top box that I would like to attach to the bike.

I worked out a mounting system and a buddy 3-D printed some brackets that did neatly adapt the Honda box to the little BMW seat rack and I took one trip with it (I even put a big BMW roundel on the box - and it looks pretty good, if I do say so myself).

 

However, the whole rig seems a tad heavy for that little rack and also, the rack is attached to the seat and not to the actual frame of the bike (where top-boxes are normally mounted).  This means that whenever I open the seat, the box swings up with it - and that is a pain.

So - does anyone have a good photo or two of a sturdy but neat frame-mounted top-box mount for an R100RS that I could look at for inspiration/ideas?

Pete

 
Posted : 03/13/2022 10:18
Peter Frise
(@peter-frise)
Posts: 5
Active Member
Topic starter
 

....and here are a couple more photos of the box mount and of it on the bike.

 

 
Posted : 03/13/2022 10:52
Peter Frise
(@peter-frise)
Posts: 5
Active Member
Topic starter
 

....and here are a couple more photos of the box mount and of it on the bike.

 

 
Posted : 03/13/2022 10:53
Peter Frise
(@peter-frise)
Posts: 5
Active Member
Topic starter
 

...and the mounts in-place

 
Posted : 03/13/2022 10:54
Peter Frise
(@peter-frise)
Posts: 5
Active Member
Topic starter
 

...and a shot of the inside of the box with the fabricated mounting plate attached.

 

 
Posted : 03/13/2022 10:56

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