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Old 04-19-2013, 05:00 PM   #1
Carl_Mega OP
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Wicked KTM SXC 625 - tank swap - Someone know the correct parts?

Ok... Trying to get some extra distance out of the SXC and well, it's not working out quite right....

Here's my unfortunate situation:

The Parts:
2004 KTM SXC 625

bought a Duke II 11L tank

Bought a KTM Enduro LC4 seat with a XPC rework.

My research tells me that the 11L and 18L tank use the same seat.

Further, single pipe SXC(2003-2004)/SMC(prior to 2006) and basically all the LC4 640 Enduros share a subframe which work with the same seat

And one of the models that work are:

P/N 5840714040 /58407140500 which is superseded by P/N 58407140030 (explicitly calls 18L on seat)
The situation:

Tank mounts wonderfully.

This seat is not looking quite right. It seems to pivot on the mounts and needs to be flexed a lot more than it should to mount to the tank and the subframe.

Actually, the subframe doesn't seem to hold the seat particularly well. There are gaps. Once I put the tank on, I can get it on but I'm bending the tank, have gaps and is generally yucky - all of which tells me something's wrong.

Here are the pics:

Subframe and seat mounting:




The seat unmounted:




Mounted without Tank:



Here are the gaps once the tank is installed:










Researched quite a bit before buying so I'm a little surprise...I accept that what I have may not work, but I'm torn between trying to getting it right (at a cost) vs. selling it off and living with the low range. I actually like the stock SXC ergos incl. the seat so no big loss other than fuel capacity.

What do you all think?
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Old 04-19-2013, 09:10 PM   #2
wrk2surf
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Some newer dukes have a different subframe than the LC4. I am guessing you should try a LC4 seat with that .. im sure an adventure seat wont work.
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Old 04-23-2013, 10:09 AM   #3
Carl_Mega OP
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Just a quick update.

The tank p/n is 58407013100 and is from a Duke II.

I purchased the tank and seat separately so I can't guarantee that they work together in any application.

Thanks!
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Carl_Mega screwed with this post 04-23-2013 at 01:17 PM
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Old 04-23-2013, 02:09 PM   #4
hondahawkrider
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From what I remember from my sxc, when I put the 18l tank on it, was that the OEM seat would not work and I had to get a 640 "comfort" seat for it....

Ancient thread

http://www.thumpertalk.com/topic/422...-tank-options/

Not all enduro lc4 seats are the same... I gather your enduro lc4 seat would work with other lc4s enduros but it might not work with a duke II (non enduro).. You might want to check SMJ. I know a few folk with SMC's that are using the 11/12 liter tank with one of the ergo seats

http://www.supermotojunkie.com/showt...5-smc-gas-tank
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Old 04-23-2013, 02:18 PM   #5
clintnz
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Maybe when they recovered the seat there was a bit too much tension put on & the cover is bending the seat base up some?

Cheers
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Old 04-23-2013, 04:53 PM   #6
hemi5oh
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I'm no help, but if you wanna get rid of that tank let me know. I've been trying to find one here in America for a decent price for a little while now.
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