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Gas Tank from Ebay

  • Mark Serotta
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Gas Tank from Ebay was created by Mark Serotta

My 78 DT-250's gas tank was too rusty inside but I found the same tank (red instead of silver). Bought today and waiting for delivery. Seller says to pebble wash with water and dish soap the interior. See pic, opinions? I have zero experience here.
Mark S
  
08 Aug 2022 19:35 #1

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  • Tom P
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Replied by Tom P on topic Gas Tank from Ebay

My CT-1 tank looked worse than that on the inside, and while I tried vinegar and nuts and bolts shaking around, it just never did the trick. It still had a pretty bad layer of surface rust.

Then just a week or so ago I treated it with EvaporRust, and it took all of the surface rust, though of course there's some pitting. I just purchased one gallon, and let the tank sit for two or three hours flat, then on the side, then on the top then on the other side.I have a lot of rust and bubbling on the outside of the tank, but I'm just rubbing Gibbs into that and not worrying about it. Initially I had a layer of black gunk in the bottom of the tank from evaporated gas. I have no idea if your ebay tank has that or not, but that was a bear to get out. It took a lot of soaking with Berryman's B-12, and a pressure washer.

  
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Last edit: 08 Aug 2022 20:20 by Tom P.
08 Aug 2022 20:09 #2

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Replied by MarkT on topic Gas Tank from Ebay

Hardened gunk in bottom of tank is easily dissolved with ethanol...  can either be bought at hardware store or E85 from gas station works great.
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
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09 Aug 2022 06:32 #3

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Replied by Tom P on topic Gas Tank from Ebay

That's good to know that ethanol would dissolve it, but it was really hard and thick. About a quarter inch thick covering the entire bottom of the tank, and almost an inch up on the sides. I didn't even think to use ethanol, but Ethelbenzene is the main component of Berryman. It did a great job of softening it to the point that I could blow it out with a pressure washer.
09 Aug 2022 09:00 #4

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Replied by Lizeec on topic Gas Tank from Ebay

Just a note to the OP that red tank is likely from a 1978 DT175, they are not the same as a 1977-78 DT250-DT400 tank, not sure if it is physically the same or will fit but I believe one difference is that the 1977-78 gas tank has a hose that crosses over to connect both side of the gas tank and I don’t think the 1978 DT175 has that crossover hose.
Last edit: 09 Aug 2022 14:41 by Lizeec.
09 Aug 2022 12:43 #5

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  • Mark Serotta
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Replied by Mark Serotta on topic Gas Tank from Ebay

Crap. Hope I didn't buy the wrong tank. Advertised for 250, but through ebay...so we'll see.
11 Aug 2022 14:37 #6

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Replied by MarkT on topic Gas Tank from Ebay

Good eye..  Ebay tank looks like a 125/175 tank... 

Biggest clue might be 250/400 tank had internal cap threads and pretty sure 125/175 had external cap threads shown?
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
11 Aug 2022 17:44 #7

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Replied by Lizeec on topic Gas Tank from Ebay

Here is a picture of a red 1978 DT175 tank and a yellow 1978 DT400 tank where the crossover hose is visible. As GR8UNCLEAL has said many times many of the parts on eBay are misidentified usually not intentionally.

  
11 Aug 2022 19:30 #8

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  • Mark Serotta
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Replied by Mark Serotta on topic Gas Tank from Ebay

Received the tank. It is from the 125/175 not the 250 as advertised.  I definitely got excited about it and didn't do the necessary homework.  It is a lesson and plan to be more careful about buying off ebay. 
Anyway....I have a gas tank for sale..   ..lol.
Mark S
14 Aug 2022 13:41 #9

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Replied by Tinkicker on topic Gas Tank from Ebay

Next time, the thing to note with DTs of this era.  The petrol tap on the 125/175 is on the left when sat on the bike, and on the right on the 250.
15 Aug 2022 11:56 #10

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