Hankster
Member
Reged: 10/09/11
Posts: 80
Loc: Southern Md
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I did a search, but I couldn't find anything on swapping a 2008 EFI tank with an older carb'd tank. My 08 is carb'd, but has the EFI tank as the US models got the larger tank but didn't transition to EFI until a year after the British models.
All that being said, I picked up an 06 tank and figured it shoudl slide right on...but I am about 1/4' or so too far rearward to get the bolt to line up. Is there something onvious I am overlooking, or do I need o modify the mounting cups on the tank so it slides forward a tad more. Anyone have any experience with this?
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Zmilin
Saddle Sore
Reged: 03/02/07
Posts: 5131
Loc: Sammamish, Washington - USA
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can you post a pic of the underside of the old tank?
Im wondering if the mounting is different but it shouldn't be.
Are those rubber things aligned or maybe something is preventing you from sliding it all the way back.
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07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq
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Ryk
Learned Hand
Reged: 05/19/10
Posts: 1668
Loc: Pac. NW
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My '08 America (carbed, large tank) has 2 plastic deflectors (for moisture diversion?)mounted L&R on the frame gussets, just ahead of the coils, could this be the source of the interference? The '08 tank frame tunnel is huge as to the older tanks.
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Hankster
Member
Reged: 10/09/11
Posts: 80
Loc: Southern Md
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I measured the distance from the mounting "cups" to the bolt hole.....
Carb (06) tank - 17 7/8"
EFI (08) tank - 17 1/2"
3/8 of an inch off...hmm...I was going to get some work done on the tank anyway (kinda like Friar John's unfinished tank project...off center flush mount fill cap and cover up the tank bezel detent) so I guess I'll have to have the mounting cups moved back 3/8".
So heads up for anyone with a carb'd 08 that wants to swap out the tank for the "much cooler" pre-efi tank...it's not plug-n-play.
Edited by Hankster (06/12/12 04:22 PM)
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Soren
Should be Riding
Reged: 01/12/05
Posts: 12034
Loc: Beaverton, OR
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Isn't there a fuel pump in the EFi tanks? If so, what are doing about that?
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•Triumph Connection
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Hankster
Member
Reged: 10/09/11
Posts: 80
Loc: Southern Md
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The 08 is an odd year...the British version was released with Electronic Fuel Injection, while the US model was still carburated. However, the US model was fitted with the same tank as the British model, minus the pump. Soooo....an EFI style tank with no fuel pump mounted to a carburated model...and an ugly tank at that.
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chuckyj
3/4 Throttle
Reged: 10/12/07
Posts: 914
Loc: Mohawk, NY
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Sorry I missed this post but I have a older tank on my 08 fit right on had to shave the rubber mounting cup a little but I have been using it for a couple of years now no problems. I didn't relocate anything just put it on. You could probably even order the mounting cup things from a older bike and it would even be easier.
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Life need a little Triumph!
2008 Triumph Speedmaster, Single baffle drag pipes, lots of black powder coating, uni filter, AI removed, Bobbed rear fender, bar end mirrors, drilled air box, and TBS needles.
Edited by chuckyj (06/12/12 09:34 PM)
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Hankster
Member
Reged: 10/09/11
Posts: 80
Loc: Southern Md
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My first thought was to get out the razor blade and shave the back of the rubber mounts off. Perhaps that is the easiest thing to do and I should stop being so anal about the whole mess...lol.
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dertbikdennis
Adjunct
Reged: 03/29/09
Posts: 117
Loc: Wisconsin
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Mine is a 08' also and it worked....did do some shaving on the rubber mounts and I made a cover to hide the mounting bolt on the back side with my bobber seat. 
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If it isn't broke ...break it ! then you'll have something to do !
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