Author Topic: Working towards adding my top box  (Read 1596 times)

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Offline bajakirch

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Working towards adding my top box
« on: May 04, 2013, 03:11:16 am »
A couple of months back, COG member Coffee_Break gave me a sweet deal on a BMW top box she had sitting around gathering dust. It's a much better match to the OEM hard bags on my Concours than any of Givis or other 'bubble' style top boxes that seem to be most popular these days.

But before I could install it, I needed to get my OEM rack fixed. I removed that from the bike back in the fall, learning along the way that most of the bolts holding it together had rusted pretty solid. Earlier this week I took the rack to a local custom MC shop and they drilled out all the old rusty bolts for me.

Today, I stopped by my local Fastenal store and picked up replacement fasteners. I went with hardened steel where I could, to hopefully give the rack a bit more strength under the top box.

Tonight I spent some time in the garage reinstalling the rack. When I'd pretty much had it all together, I realized that 2 of the bolts I picked up were too short. So I had to stop for the night.

Before I took the rack back off, I put the top box on to see how it would look and fit. I took a couple of shots with my cell phone camera in the dim garage, so the photos aren't great. But at least it gives an idea of how the box will look:





Once I get the rack back on, then I'll have some work to do with the top box itself:
- Fabricate a way to attach the box to the rack
- Replace the gasket/weatherstripping around the box's lid
- Remove a BMW sticker and repaint the box's lid

My goal is to have this done before I head off to the Road America Superbike races a the end of May. The storage space will be sorely needed. I also found out that my new Scorpion helmet, being a little larger than my old Shoei, won't fit in my side bags. But it fits nicely into the top box.
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Offline Uncle Vern

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Re: Working towards adding my top box
« Reply #1 on: May 04, 2013, 06:25:53 am »
Looks good so far; I'll be watching for any ideas as I intend to add a "trunk" before I get Consuela back on the road!
Life is a contest between engineers and God. Engineers keep making things more idiot-proof and God keeps making bigger idiots. ;D

Offline bajakirch

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Re: Working towards adding my top box
« Reply #2 on: May 06, 2013, 03:30:19 am »
Here are some better pictures, with better lighting from a better camera:







On Saturday I picked up the replacement bolts I needed and re-installed the rack. Next step -- figuring out how I'm going to securely attach the top box to the rack.
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Offline Bur

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Re: Working towards adding my top box
« Reply #3 on: May 06, 2013, 04:58:02 am »
Looks good!  I am running a JC Whitney large box, and you're right the BMW box does fit the utilitarian/early Samsonite styling of the sidebags better.  So you really need a set of "KMW" stickers.  :)
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Offline Piston720

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Re: Working towards adding my top box
« Reply #4 on: May 06, 2013, 03:09:18 pm »
Hello
My feeling is, if you can mount your backbox so that it follows the same profile as your side luggage, it will not look as though it is falling off.
If you are interested I can send you shots of mine which are mounted to a plate which is mounted to the stock (4) rear fender points.
I have given up trying to add photos here.

Offline Edward

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Re: Working towards adding my top box
« Reply #5 on: May 06, 2013, 05:15:58 pm »
Hello
My feeling is, if you can mount your backbox so that it follows the same profile as your side luggage, it will not look as though it is falling off.
If you are interested I can send you shots of mine which are mounted to a plate which is mounted to the stock (4) rear fender points.
I have given up trying to add photos here.


Attached are pictures shared by Piston. I like the idea of matching the box angle to the factory bags and have seem other people post about that on the forum.






« Last Edit: May 06, 2013, 06:41:32 pm by Ed Mac »



Offline Def

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Re: Working towards adding my top box
« Reply #6 on: May 06, 2013, 05:40:44 pm »
Excellent!!! Now the topbox angle matches the sidecase angle. (The way it should,IMHO).

Offline Edward

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Re: Working towards adding my top box
« Reply #7 on: May 06, 2013, 06:36:48 pm »
Guess I should have given ALL of the details provided to me by Peter:
 :)


"The base plate is about 1/8" steel which I cut out sections to make it lighter, similar to the Givi base plate.[/size]The standoffs were aluminum beveled to give me the correct angle for the plate, they were about 1 to 1-1/4" difference between the front and rear standoff.[/size]The plate was bolted through the standoff directly to the bike frame (stock carrier holes)I mounted a Givi Universal plate for my box but you could bolt directly to the plate, independent of where you bolt the plate to the bike."



Offline ManWorkingHere

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Re: Working towards adding my top box
« Reply #8 on: May 06, 2013, 07:45:39 pm »


Watch out for that Boat coming at your Bike !!!
after 2012 Rally
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Offline bajakirch

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Re: Working towards adding my top box
« Reply #9 on: May 08, 2013, 03:53:59 am »
Hello
My feeling is, if you can mount your backbox so that it follows the same profile as your side luggage, it will not look as though it is falling off.
If you are interested I can send you shots of mine which are mounted to a plate which is mounted to the stock (4) rear fender points.
I have given up trying to add photos here.

I admit that I like that look too. But this will be my first 'fabrication' project and my metalworking skills are pretty much nonexistent.

The plan now is to purchase a couple feet of flat aluminum stock, cut a couple of pieces to size, fit them up under the OEM rack I have mounted, then figure out where to drill the holes to attach the box.

As for the boat:  Don't worry, it's not running right now  ;)
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Offline Uncle Vern

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Re: Working towards adding my top box
« Reply #10 on: May 08, 2013, 04:34:06 am »
I have given up trying to add photos here.


I feel your frustration. My solution was to start a free Flickr account, which will allow you to post gobs of photos. Once posted there, you simply click on the desired pic, use the "Share" option, and right-click-copy-and-paste to post 'em here. Feel free to PM me if I can help.

Here's a great Flickr pic of my dog, shop, and bike project. (Boat is behind the kerosene heater).


Consuela_20130504_2033Rebuild 2013 by ConcRider, on Flickr
Life is a contest between engineers and God. Engineers keep making things more idiot-proof and God keeps making bigger idiots. ;D