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Old 08-18-2012, 01:50 PM   #1
rade OP
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KTM 950/990 Adv UNDERSEAT TANK

I do long distance travel and some extra tank w/o any mods was missing on the market, so I decided to do one.
It fits to 950 or 990 Adventure without ABS and the only mod you need to do, is cut the underseat box and link the underseat tank to the main tanks. It has petcock, so you can close it and keep it as a reserve.

You fit there 6,3 liters of petrol.











I can produce some, if anyone is interested.

cheers:-)
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rade screwed with this post 11-26-2012 at 02:09 PM
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Old 08-18-2012, 02:12 PM   #2
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Brilliant! Have you weighed it?
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Old 09-02-2012, 05:31 AM   #3
rade OP
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finally 3,2 kg


Quote:
Originally Posted by Stumpalump View Post
Brilliant! Have you weighed it?
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Old 09-02-2012, 11:40 AM   #4
repho
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Hey, found this on ebay:
http://www.ebay.de/itm/Zusatzlich-Un...#ht_500wt_1413

Peter
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Old 09-13-2012, 05:29 PM   #5
rwavaktm
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Underseat Tank

WoW that's an auxiliary tank I could get behind! Excellent work, are they available and how much?
Thanks!
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Old 01-12-2013, 04:56 PM   #6
rossguzzi
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That is brilliant !

My only thought is, was it a new tyre on the rear. Hopefully it is the biggest knobiest tyre you could find. You know cause if they clear, you should be sweet.

Looking forward to hearing prices etc.

Great work.
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Old 01-12-2013, 06:48 PM   #7
Buddy_Holly
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I'm kind of sure you have thought of this- but just in case- every tire is different by brand, and chain adjustments for stretch could effect where the wear is on this type of tank.

Nice work on both tanks.

BH
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Old 01-12-2013, 07:10 PM   #8
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I would agree with BuddyHolly.....allowing for plenty of clearance front to rear for tire adjustments would be smart. Another suggestion would be to then reduce the overall dimension by a slight amount to allow for guaranteed fitment on all bike (would allow for KTM manufacturing variances) and perhaps to allow clearance for a Kevlar skin for further strength and abrasion resistance.

Very cool otherwise, keep it up!
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Old 01-13-2013, 04:32 PM   #9
MrSandman818
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two thumbs up on the concept. 2.5 gal would do nicely on the big twin. Beats pulling over and re-fueling with the roto pax! now just imagine this tank with rally tanks!
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Old 01-13-2013, 09:56 PM   #10
DesertSurfer
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Keep going bigger picture...

With the talent and resources you seem to have, why not go all the way and make a full subframe that incorporates a rear tank as well as rear rally side tanks?
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Old 01-13-2013, 11:15 PM   #11
gefr
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I believe you have made allowance for the seat latches.

The seat needs some room to move slightly forward in order to "lock" under the central latches. I wanted to point out the need for this slight forward movement in order to allow the seat to lock.
Great job. I would also like to hear the cost of such a construction.
Cheers.
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Old 01-14-2013, 01:16 AM   #12
rade OP
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Quote:
Originally Posted by gefr View Post
The seat needs some room to move slightly forward in order to "lock" under the central latches. I wanted to point out the need for this slight forward movement in order to allow the seat to lock.
Great job. I would also like to hear the cost of such a construction.
Cheers.
Great observation I found out thanks to the attrape. After mod. the locking is no prob.

Costs? The dev. costs are not final yet, but close to the costs of the bike it self. I hope the final retail price per tank will be below $300. Itm. cheaper than any similar solutions, but above Rotopax. My intention is to make the price "no brainer" and rather sell volumes than to have high margin. Let's see :-)
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Old 01-14-2013, 07:58 AM   #13
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Same here. Nice tank.
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Old 01-14-2013, 01:25 PM   #14
zgfiredude
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If you are at or below $300 for a final price I'd predict there would be a LONG LINE of customers ready to order one.

I would be near the top of that list!
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Old 01-14-2013, 02:01 PM   #15
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very nice tank !
excellent work !
got to hand it to you
hope you can pull it off and make it worth the effort !


one of the problems with producing any custom short run motorcycle parts for sale is that quality material costs are high and there is a LOT of time involved . Another possible problem is that with short run handcrafted items not patterned by a cad design and production molded may have what may be considered " cosmetic flaws " by customer expectations . 100's of hours can be afforded spent on pattern making , but small run production can take excesive time finishing out "flaws"

the mass production from china or other low labor cost areas and the availability of mass machine produced items in the motorcycle/automotive market has customer expectations almost unreasonable to make it worthwhile.
The margin of profit versus time involved in handcrafting certain items for motorcycles makes it a losing proposition for the craftsman in todays motorcycle parts market

other genres, for instance , the custom car or boat industry, aircraft, race car items are more forgiving in terms of retail pricing

In other words
IMHO motorcycle riders (me included ) are a bunch of cheep spoiled bastards, we want it cheep and we want it perfect
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