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Old 10-04-2014, 07:57 AM   #1
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The Official GSA Fuel Tank Swap Thread

Retrofitting a larger GSA tank to your standard GS for longer range? It's been asked 100 times - "Can it be done?"

Unfortunately, I have 2 Camel tanks and love them. I'm also leaving on my bike for possibly good so I'm unable to entertain this mod.


For the Love of Dog, will SOMEONE please buy these!!!!!!!!


http://www.ebay.com/itm/2013-13-BMW-...item3a98717004


http://www.ebay.com/itm/2013-13-BMW-...item3ce96bb927
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Old 10-04-2014, 08:12 AM   #2
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OK, so I'm continuing my research on someone's behalf.

You need:

GSA Subframe
GSA Tank (duh)
OEM Aluminum case mounts for fuel tank protection (optional but a good idea) - same parts as non GSA bikes (confirmed - I put racks from a GSA on my 650)
GSA Seat (or mod yours, I'll rat on the Inmate who bought it already if necessary)
Fuel Filler trim piece ($13 new, pheh)




You DON'T need:

Fuel pump assy is the same PN for all GS Twins
Fuel Cap and lock assy is common to most BMW's, no new key!
Sub Frame mount bushes are the same so hardware too, if not that's cheap
Total exhaust system is the same
Licence plate holder piece is the same so I'm assuming tail light and signals will swap over

(continuing)

So far, with the Ebay parts you're looking at less than $500 to mod plus your time and racks of course.

Issues that may crop up:

??

Modding a standard seat to a GSA hard or even possible? (to be determined)
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Old 10-04-2014, 09:14 AM   #3
AK650
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Given the price, quality, and ease of install of a Camel Tank, I can't imagine why anyone would bother; other than just wanting to tinker. Perhaps a crash repair that requires a rear end replacement. It'd be interesting to watch, at any rate.

Jeff
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Old 10-04-2014, 09:20 AM   #4
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I agree, for the 99% that's the best option.

For other idiots like me, I rebuilt 2 wrecks that needed a subframe and tank anyway so yeah, there's that scenario. I also paid more than what LKQ is offering up the GSA parts for. Buying new just isn't going to happen. That warehouse fire has created a lot of mechanical organ donors......

Someone is going to score......
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Old 10-04-2014, 10:24 AM   #5
sarathmenon
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It's been said that the GSA seat and the GS seat pans share the same Shad part #s. Supposedly, the foam and two tone seat cover is the only thing different between them. I bought the GSA seat, so I will know by next week whether the GSA -> GS seat swap works. If it does, the opposite is probably easy as well.
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Old 10-04-2014, 10:36 AM   #6
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Ratted yourself out?

I never looked at the pan #'s so maybe. I just assumed with a different subframe then different PN seat........
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Old 10-04-2014, 03:39 PM   #7
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Fitting parts together that never belonged can lead to the most unexpected consequences.



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Old 10-04-2014, 03:53 PM   #8
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GSA & GS seat

They are NOT interchangeable. I just had a Russell Day Long built for my GSA. They offered a GS seat to ride around while my seat was being made. It didn't fit. I believe it's has to do with the rear shock coming up higher.

But in any case, they are NOT interchangeable.
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Old 10-05-2014, 05:21 AM   #9
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Quote:
Originally Posted by Reaver View Post
I agree, for the 99% that's the best option.

For other idiots like me, I rebuilt 2 wrecks that needed a subframe and tank anyway so yeah, there's that scenario. I also paid more than what LKQ is offering up the GSA parts for. Buying new just isn't going to happen. That warehouse fire has created a lot of mechanical organ donors......

Someone is going to score......
LKQ's warehouse caught fire?
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Old 10-05-2014, 08:23 AM   #10
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LKQ is probably the largest wrecker/recycler in North America. They bought all the local wreckers in my area and probably Province. Their MO is volume. They sell cheap and have great Customer Service. The bike stuff seems to end up in Oregon and that's where I get it. They don't ship to Canada though so I have my US address. Anyway, somewhere in the US a warehouse full of new BMW's caught fire and LKQ has the contract to buy the damaged bikes. The frames are scrapped but most of the rest is sold. Haven't seen bodywork yet.
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Old 10-05-2014, 08:25 AM   #11
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So who's talking now?!

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Old 10-06-2014, 07:17 PM   #12
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Will add LQK to favorites list on eBay
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Old 10-06-2014, 08:46 PM   #13
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Cool2

More gas tank...hmmm....
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Old 10-07-2014, 08:52 PM   #14
sarathmenon
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Quote:
Originally Posted by kapenagary View Post
They are NOT interchangeable. I just had a Russell Day Long built for my GSA. They offered a GS seat to ride around while my seat was being made. It didn't fit. I believe it's has to do with the rear shock coming up higher.

But in any case, they are NOT interchangeable.
This guy speaks the truth . The GSA seat fits the GS just fine. The pan is different, in that it is scooped higher on the passenger side. I am assuming the tank on the GSA is sculpted differently, and the fuel pump assembly sits higher. So, for someone thinking of this mod, they will need the rear subframe, GSA tank and the seat as well. I think the rear plastics probably as well, since they look different, and probably cover parts of the tank that the vanilla GS's plastics wont.
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Old 10-17-2014, 10:44 AM   #15
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I nominate FredRyder to perform this mod on his recent purchase.


I'll drop by in 2 weeks to see how it's going.
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