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TOPIC: Finally joining the cool kids - DT1? Build

Finally joining the cool kids - DT1? Build 25 Mar 2019 08:13 #1

  • Sonreir
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Hey all,

After over a year of searching I finally found a bike that suits my masochistic tendencies. :D

Picked up this DT1F, which I'm told is a 1972? No paperwork, but it fired on a bit of starter fluid.

Someone tried to convert it over to MX at some point and I'm going to try to take it back to something closer to stock form. I'm going to need a new tank, seat, controls, etc.

Also on the list is a 12V DC conversion because electrical is kind of my thing and I want to use it to showcase what we can do.

So... I'm a complete newbie when it comes to these bike. Anyone have some time to educate me?
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The following user(s) Liked this Post: Steve F, Blackhat250, RT325, Von

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Finally joining the cool kids - DT1? Build 25 Mar 2019 09:02 #2

  • Gr8uncleal
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Welcome from the UK Sonreir.

Just load up and fire your questions and the members of the forum will do whatever they can to help.

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Finally joining the cool kids - DT1? Build 25 Mar 2019 09:47 #3

  • MarkT
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I'm no expert on the 250's.. I do know that there really isn't a "DT1F" model. DT1F was the serial number prefix used for several years.

Check the VIN number lists in the Tech Library... It does look like it could be a 1972 which would make it a DT2 model.

There are also manuals in the Tech Library that will help.

I'm sure many are waiting to see what you do with the ignition/charging system! :likey

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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

Finally joining the cool kids - DT1? Build 25 Mar 2019 21:38 #4

  • Mothersbaugh
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Tell us about the fuel tank...and post pictures when you remove it. Is it the post type down through a hole molded in the middle of the tank, through which a bolt passes which clamps onto a harness/clamp around the spine of the bike?

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Finally joining the cool kids - DT1? Build 26 Mar 2019 10:08 #5

  • Rick C.
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I have a set of DT2 forks if interested. PM me.

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Finally joining the cool kids - DT1? Build 26 Mar 2019 10:11 #6

  • Sonreir
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I'll pull the tank off later tonight and get some pics up.

For parts, I'm after the alternator cover, clutch actuator and associated parts, tank, and seat. The rear fender could probably do with being replaced as well.

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Finally joining the cool kids - DT1? Build 26 Mar 2019 10:27 #7

  • Rick C.
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KDI has seat pans,Foam and covers. Check it out !

www.kdirepros.com/category-s/100.htm

Tell him Rick C. sent you.

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Finally joining the cool kids - DT1? Build 27 Mar 2019 08:35 #8

  • Sonreir
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I took things apart a little bit last night.

Tank is definitely plastic and looks to never have been used. There's still a little yellow overspray on the inside, which I assume the gasoline would have made short work of.

Wheels are almost definitely not stock. I don't think this bike would have come with shouldered aluminum? There are also there weird bolts poking out at regular intervals. Purpose?

Finally, I didn't realize that the DTs had a compression release? Unless this is something else.
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Finally joining the cool kids - DT1? Build 27 Mar 2019 08:53 #9

  • Gr8uncleal
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I'll chip in with a couple of answers, but possibly using incorrect technical terms! Others can correct me.

Probably non original wheels, agreed. However, I believe that the bolt(s) are to stop the tyre and inner tube slipping under hard acceleration and therefore ripping the tube near the valve - the original wheels may well have had these.

That looks like an aftermarket decompression valve. The 360s and 400s had them as standard (fitted in the front of the barrel), but I'm not sure that 250s did.

If you wanted to go back to original fittings, then there's probably a market for your non standard bits should you want to sell them.

Keep up the posts and piccies!

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Finally joining the cool kids - DT1? Build 27 Mar 2019 09:51 #10

  • Sonreir
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So far I'm seeing non-standard wheels, non-standard pipe, non-standard compression release, non-standard tank and seat...

Any chance this is some sort of special model or has a previous owner just really put a lot of time an effort into this one?

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