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Makotosun

DT1 air filter material and/or replacement

  • nhsteve
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DT1 air filter material and/or replacement was created by nhsteve

Early '68 DT1 airbox question: What are people using for air filter material in the original airbox, if they are still using the box and have not gone to a pod-type?

When I first started to gather pieces for this semi-complete project I spotted an OEM air cleaner element and grabbed it, so for the "restoration" I have what I need. But I was wondering about a replacement 

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 . Has anyone come up with a foam sock or similar that could be cleaned/oiled periodically? 

I am considering getting some Filtron material and making something up that could be slipped over the old existing cage that could then be removed, washed/cleaned, and then re-oiled. If I went with a sheet of it it would of necessity have a meeting point that preferably be sealed permanent. Not sure I could accomplish that with any longevity.

Or do people insert a K&N filter inside the box somehow? 
03 Feb 2023 07:44 #1

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Replied by Gr8uncleal on topic DT1 air filter material and/or replacement

I wonder if the air filter for the DT and RT 2 and 3 from 1972 and 1973, which is still available from Yamaha, could be "persuaded" to fit?

The original "00" version comes dry, the recent "01" updated part comes ready oiled.
03 Feb 2023 10:17 #2

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Replied by AirborneSilva on topic DT1 air filter material and/or replacement

Hi Steve, you might want to check with your local Yamaha dealer. I bought the filter for my DT2 from them.
2023 Tenere T7
1976 DT400C
1975 DT400
1981 DT175H
1972 DT2 250
1980 GT80
1972 JT2
03 Feb 2023 10:20 #3

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Replied by swm on topic DT1 air filter material and/or replacement

Steve, I re-use original 68 cage after removing the old paper element & install UNI NU-2203 foam, it fits like a glove over OEM wire cage. UNI is on ebay.
Good luck
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03 Feb 2023 10:32 #4

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Replied by nhsteve on topic DT1 air filter material and/or replacement

Exactly what I was hoping for!! Kept thinking Filtron, never thought of UNI. Gonna go look right now!

Thanks! 
05 Feb 2023 08:56 #5

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Replied by nhsteve on topic DT1 air filter material and/or replacement


Rendering Error in layout Message/Item: fopen(http://open.api.ebay.com/shopping?callname=GetSingleItem&appid=makotosu-08bc-47da-8e7d-68e3ee6e51ca&siteid=0&responseencoding=JSON&ItemID=132929045749&version=889&trackingid=&trackingpartnercode=9): failed to open stream: Connection refused. Please enable debug mode for more information.

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Replied by Gr8uncleal on topic DT1 air filter material and/or replacement

"Found it but cannot post the link because....?"

I just copy and paste the url. Maybe it's the device you're on? I only ever use a pc.
05 Feb 2023 09:21 #7

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Replied by MarkT on topic DT1 air filter material and/or replacement

I added the link... ebay USA has blocked "hotlinking" from other websites... remember how the auction preview used to show up?

When you post an ebay USA link here, forum software creates a direct link which ebay blocks so nothing shows.

You can insert an ebay USA link like I did with "chain link" icon as long as you use the ebay auction link as the URL and not the description.

P.S. I'm pretty sure UNI Filter is the "Filtron" started by the legendary dirt bike Ekins clan in the 1960's that made foam filters for dirt bikes... I'm not sure if the Filtron name was already in use overseas or if they got bought out or what... but the name changed in the early 70's if I remember correctly.
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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05 Feb 2023 09:39 #8

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Replied by Swoop56 on topic DT1 air filter material and/or replacement

The Uni Filter comes with it's own cage . However it is a bit longer than the stock DT1E cage ,
8-10mm if I remember . On my DT1 , which still had the original cage , I just fitted the
Uni Filter element to my OEM cage , and all worked well .
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05 Feb 2023 12:30 #9

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Replied by SKYDANCER46 on topic DT1 air filter material and/or replacement

The Uni NU-2203 yellow filter with cage is hit or miss as to if your bike will run good with it. Some bike just won't rev out because of how restricted the double foam is. I use stock cages with Uni filter BF-1 green foam and cut it to size, glue it so it slides over the stock cages and put a light film of air filter oil on it. This works great on all bikes.

I have a new NU-2203 with a cut down to size cage for $25.00 shipped in the states if someone wants it.

1970 DT250C
05 Feb 2023 14:19 #10

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