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1975 ct1-dt175 clutch problem

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1975 ct1-dt175 clutch problem was created by davewuf

hi all,
      new to this,has the title states,when i tighten the nut on the clutch drum it locks with the basket,i’ve looked in the haynes manual and it says i should have a plain washer,bearing washer and another plain washer,which i am missing one plain washer,but even with the plain washer missing it’s like i don’t have enough room at the end of the shaft to put the locking tab on to safely engage with the splines,any help would greatly be appreciated.
24 Jan 2023 06:54 #1

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Replied by Ht1kid on topic 1975 ct1-dt175 clutch problem

Greetings from Tennessee  

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24 Jan 2023 07:25 #2

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Replied by davewuf on topic 1975 ct1-dt175 clutch problem

thanks for the welcome
24 Jan 2023 07:36 #3

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Replied by Pete-RT1 on topic 1975 ct1-dt175 clutch problem

Have a look at the vin number on your engine and let us know what model we’re talking about.
yamaha-enduros.com/index.php/175-cc-vin-numbers
On the CT1 there are a couple of thrust washers that go onto the clutch assembly first #18 and 19, often the back one slips down on assembly and stops the collar #17 seating fully on.
 
Yamaha CT1-B
Yamaha CT1-C
Yamaha AT1-C
1978 Yamaha DT175MX
2020 Honda CB500X
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24 Jan 2023 15:35 #4

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Replied by MarkT on topic 1975 ct1-dt175 clutch problem

Yes, somewhat important to know what you have.  If it's a UK/Euro model, it could have a "CT" VIN and be a 1974 or 1975 model more equivalent to the 1974-75 US DT175 than than the earlier US CT Series.

yamaha-enduros.com/index.php/uk-vin-information
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: 24 Jan 2023 15:53 by MarkT.
24 Jan 2023 15:53 #5

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Replied by Gr8uncleal on topic 1975 ct1-dt175 clutch problem

If UK/Euro model, there is likely an asterisk at the beginning and end of the frame number.
24 Jan 2023 23:46 #6

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Replied by davewuf on topic 1975 ct1-dt175 clutch problem

hi
sorry for the late reply,the vin is,*ct1-311098*,it is missing a thrust washer assuming this is the right clutch,i will try to upload some pictures when i can figure how to do it,can anyone point me in the right direction to a diagram of the clutch and part numbers,thanks to this forum i’ve found out 74/75/76 clutches are not the same
25 Jan 2023 02:29 #7

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Replied by davewuf on topic 1975 ct1-dt175 clutch problem

forgot to mention it’s a uk bike
25 Jan 2023 02:30 #8

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Replied by Gr8uncleal on topic 1975 ct1-dt175 clutch problem

Check out post #2 from MarkT on this thread regarding UK VINs.

Best thing to do is to try and find an original parts list for your bike - fleabay is good for this, although you might find you end up buying one from mainland Europe. An original Yamaha service manual is a good investment as well. 

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  The DeeTee - Vintage Enduro Discussions (yamaha-enduros.com)
25 Jan 2023 03:55 #9

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