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Install info on Givi B37 using OEM mount

3883 Views 11 Replies 5 Participants Last post by  SpeedAddict, 
S
This is information for the Givi B37 blade top case. I got the case used (new) from marketplace for $75. Since I am riding solo and I am using the top box for light duly (helmet, gloves and jacket), I decided to skip the SR357 rack (cost and a few minor problems in the forums). There is one in for sale forum for $100 with $25 shipping or $160 new from most online with free shipping. If you want to save some $, you can use the free mounting plate that came with it. The generic mount plate will work and 1 minor modification to it. You will need longer M8x1.25 bolt, couple of plastic spacers and a few metal washers (all from Lowes). The mod is to cut the middle rear bolt location in the plastic mount so the metal washer can lay flat. Install a plastic spacer to level the plate above FJR rack, then a washer, then the mount givi plate, a washer above the mount plate with a bolt. It's pretty strong enough for light duty carry.

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Whooshka
You do realize you're looking to save $160 on an SR357 rack and risk a possible $600+ sub frame?
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Linton West
When you do the bolts up, just make sure that nothing is stressed and that it tightens up evenly.
Be aware that Givi boxes have a habit of falling off on bumpy roads. Drill a hole through the bottom of the box and the rack and use a roller pin and clip or a nut and bolt to secure it to the rack.
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Charles.Robinson
Linton West said:
Be aware that Givi boxes have a habit of falling off on bumpy roads. Drill a hole through the bottom of the box and the rack and use a roller pin and clip or a nut and bolt to secure it to the rack.
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Huh? I have never heard of such a thing and have been running Givi side and top boxes for 20+ years. If you drill a hole through the box, you've lost the nice waterproofness which makes these so great for carting gear around with you.
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Whooshka
I thought it was the Yami boxes that would jettison.

You can keep it waterproof with a rubber washer or dab of silicon sealer. Then it becomes a project whenever you want to remove the box.
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Whooshka said:
You do realize you're looking to save $160 on an SR357 rack and risk a possible $600+ sub frame?
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I will definitely upgrade if i am going to pack for a road trip. I am using it right now to store my helmet and my jacket when stopping somewhere. Thanks for bringing up the subframe issue. This is new to me.
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Linton West said:
When you do the bolts up, just make sure that nothing is stressed and that it tightens up evenly.
Be aware that Givi boxes have a habit of falling off on bumpy roads. Drill a hole through the bottom of the box and the rack and use a roller pin and clip or a nut and bolt to secure it to the rack.
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Thanks for the tip. I will definitely check on the "evenly" tightening process. I will research boxes falling off issues.
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Whooshka said:
I thought it was the Yami boxes that would jettison.

You can keep it waterproof with a rubber washer or dab of silicon sealer. Then it becomes a project whenever you want to remove the box.
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I am sure I can probably engineer some quick release mechanism.
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S
on Givi website, they are saying 6kg for e228M and 10kg for SR357. How much weight can you put in each pannier?
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Whooshka
SpeedAddict said:
I am sure I can probably engineer some quick release mechanism.
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Givi does not need this. They do not have unintended dismount issues.
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P
Speed, let me add to this and tell you Whooshka is 100% correct. Take it from somebody that has experienced this. My Shad 50l I used basically empty 95% of the time and then just stored my helmet at stops and my lunch bag going to work when I took one.

I had a “Stiffy” kit installed from nearly new because of advice and encouragement from a lot of good folks here. Because I had so many problems with my bike from new and a lot of encouragement from my dealer they waved the $675 cost for the new frame but said they wouldn’t pay for the installation which the dealer estimated would be around $1000.

I’m pretty handy and after 7-10days had the new frame in, I modified the heck out of the Stiffy to add a lot more support in addition to installing the new heavy aluminum Yamaha rack, the Yamaha reps said a max of 10lbs with the new rack and a max of 7lbs for the oe plastic shite (wanna buy one ?)

Anyway if you think saving that $160 is a big deal, go for it, oh by the way if you don’t have a Stiffy installed there’s a really good chance that you’ll learn of your broken subframe when your new lightly loaded topbox goes tumbling down the road behind you. My .02
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passx said:
Speed, let me add to this and tell you Whooshka is 100% correct. Take it from somebody that has experienced this. My Shad 50l I used basically empty 95% of the time and then just stored my helmet at stops and my lunch bag going to work when I took one.

I had a “Stiffy” kit installed from nearly new because of advice and encouragement from a lot of good folks here. Because I had so many problems with my bike from new and a lot of encouragement from my dealer they waved the $675 cost for the new frame but said they wouldn’t pay for the installation which the dealer estimated would be around $1000.

I’m pretty handy and after 7-10days had the new frame in, I modified the heck out of the Stiffy to add a lot more support in addition to installing the new heavy aluminum Yamaha rack, the Yamaha reps said a max of 10lbs with the new rack and a max of 7lbs for the oe plastic shite (wanna buy one ?)

Anyway if you think saving that $160 is a big deal, go for it, oh by the way if you don’t have a Stiffy installed there’s a really good chance that you’ll learn of your broken subframe when your new lightly loaded topbox goes tumbling down the road behind you. My .02
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Thank you for the advice. After a bit a searching it is a structural engineering design flaw (IMO) with the subframe. I do plan to use a stiffy. So even with the Sitffy kit, your subframe cracked?
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