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Makotosun

The Beauty DT3 and the Beast DT1

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The Beauty DT3 and the Beast DT1 was created by yamahahaha

I picked these 2 up this weekend. The DT3 yesterday and the 1968 DT1 this morning. I have never seen a clutch setup like the one on the DT1. I hope I get some answers from you guys.

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03 Jan 2021 13:07 #1

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Replied by yamahahaha on topic The Beauty DT3 and the Beast DT1

1968 DT1...Custom green paint was an option I think :Ugh

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Last edit: 03 Jan 2021 13:28 by yamahahaha.
03 Jan 2021 13:10 #2

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Replied by yamahahaha on topic The Beauty DT3 and the Beast DT1

DT1.....Is the frame correct in the 3rd picture

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Last edit: 03 Jan 2021 13:26 by yamahahaha.
03 Jan 2021 13:12 #3

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Replied by MarkT on topic The Beauty DT3 and the Beast DT1

That clutch actuator must have been an aftermarket part... has shown up on the forum several times.
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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03 Jan 2021 16:03 #4

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Replied by yamahahaha on topic The Beauty DT3 and the Beast DT1

Thanks Mark, do you know what the advantage was IF ANY ? I have not been able to find another one like this on the forum
Last edit: 03 Jan 2021 16:18 by yamahahaha.
03 Jan 2021 16:07 #5

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Replied by MarkT on topic The Beauty DT3 and the Beast DT1

It's not a worm gear that breaks?

Someone here had one and even "re-engineered" it to use bearings in the pivots or something like that... others have had them too. I will look later if I have a chance.
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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03 Jan 2021 16:22 #6

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Replied by MarkT on topic The Beauty DT3 and the Beast DT1

Got lucky... only took a few seconds searching "aftermarket clutch actuator DT1"

www.yamaha-enduros.com/index.php/forums/...restoration?start=10

yamaha-enduros.com/index.php/forums/cust...-race?start=40#52555


I know there were a few more.... but those are a good start.
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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Last edit: 03 Jan 2021 16:39 by MarkT.
03 Jan 2021 16:38 #7

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Replied by yamahahaha on topic The Beauty DT3 and the Beast DT1

Can someone verify if this is the correct exhaust for 1968 DT1 ?
04 Jan 2021 08:31 #8

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Replied by Pedalcrazy on topic The Beauty DT3 and the Beast DT1

Looks right from here. Should have an extension on the end held by a screw that goes through that hole near the outlet. Should be a rubber cover that seals the extension and outlet. I just purchased a rubber from EBay. I already had the extension. Surprised NOS Yamaha rubber seal was still available...still more of those on EBay I believe.
1978 DT400E
1976 DT400C
1973 RT3
1971 RT1B
1968 DT1 (3)
04 Jan 2021 09:49 #9

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Replied by yamahahaha on topic The Beauty DT3 and the Beast DT1


Looking at the 3rd pic (frame) what is the purpose of the cut out that looks like a tank cup would slide into?
The other side of the frame DOES NOT have that
04 Jan 2021 15:57 #10

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