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Clutch questions

  • Turbotim
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Clutch questions was created by Turbotim

Hi all still having lots of fun.... its a dt 1975 175 
When I brought this bundle of joy it had clutch basket 
only....I went online and brought this clutch as it said 
It was the correct one.... please see pictures and literally 
Spell it out as im slightly confused... a 1975 does it need metal
or friction plate first and it other pictures online then have
a tighten screw....mine does not is this missing or is this normal...please good sirs help.... my little 1975 175 dt
has been a complete pain but i love it to bits and refuse to 
give up on it...   
14 Jun 2022 04:02 #1

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Replied by RT325 on topic Clutch questions

If ya talking 'First' but mean last in like the pic shows then with the clutch you have there the pressure plate engages on the hub so no steel required in the pic as you show it. Toss out those rubber rings i can see under the plates. Only good for hanging on the wall [to use as rubber bands]. I can't see what's at the back but guessing the seller has it stacked right as looks full to the top [ie-no room for any more]. Just having a think--If yours has a hub with a flange at the back then shouldn't need a steel as it's designed to drive fibres against the flange [call it a flange--or whatever]-just the back of the hub.
Last edit: 14 Jun 2022 04:19 by RT325.
14 Jun 2022 04:13 #2

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Replied by Turbotim on topic Clutch questions

When I brought the clutch I brought new friction plates...
so I stacked it steel then friction.... so am u correct in saying this is correct but just throw the rubber away bits away...
forgive my stupid questions but do I need that screw as
there wasn't one there.... cheers rt32
14 Jun 2022 04:42 #3

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Replied by Turbotim on topic Clutch questions

My apologies when I mean first is when you put the 
clutch basket on the very first plate I put on was steel  
but im confused as I have no screw like the picture 
At the end....



14 Jun 2022 04:53 #4

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Replied by RT325 on topic Clutch questions

The parts pic is confusing which is why i didn't put itup--but anyway seeing you have it there now & seeing your clutch is a bit different--where it shows a steel in agaist the back you shouldn't need one because the back is raised so no need for a steel. The screw & spring shown is the old style clutch. Yours has tall spring posts so the springs are supported by them & just 6mm bolts & washer to tighten down to the post. Your pic looks like the fiver i can see is right on the edge of the basket--too close for comfort & if you took out the steel at the back that'd about fix it. But would like to see a pic of the centre [hub] just be sure of what's at the back--flange on the hub for fibre to grip on so no steel needed. I'll leave it there as can't think straight & it's midnight.
14 Jun 2022 05:12 #5

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Replied by RT325 on topic Clutch questions

Here's a "76 drawn correctly & looks like what you have for a clutch. You'll have 5 of those bolt & springs of course. www.partzilla.com/catalog/yamaha/motorcycle/1976/dt175c/clutch


 
Last edit: 14 Jun 2022 05:18 by RT325.
14 Jun 2022 05:15 #6

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Replied by Turbotim on topic Clutch questions

So the very start of the clutch basket there steel...
so the clutch basket on and the very first one I put on was friction then steel and so on, I took the rubber out as advised,
so the last one I put on was friction as the plate with the 5
Holes has a built in steel... so I take it this is correct?
Apologies u didn't know it was.
Picture 1 is the cover with a plate built in
picture 2 is the empty which I took rubber of
And first plate was friction.
picture 4 and 5 is the plates with no rubber in.
So I started with friction and ended with built in steel
Really sorry to be such a pain is this correct 



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14 Jun 2022 06:27 #7

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Replied by RT325 on topic Clutch questions

Ok, others will weigh in i guess & that's good. But anyway, the last pic of it stacked up, the fibre drive ears are nearly off the basket, so no good like that, if that's how it looks when all bolted onto the shaft. Is there a way of moving the centre back a little. There will be a thick washer behind the centre [hub]. You say started with a friction [good] & ended with a built in steel. Ok you mean the pressure plate has a built in steel. [we'll call it that as i can see what ya mean--just the pressure plate & it takes up the drive. I'm wondering if there's a mismatch of basket & hub from two different models because the way it looks there you almost need to run one less fire & add a steel to make it work. Over to MarkT or someone please.
& looking again the last steel in is just about off the hub--so i don't know--!!. Wish i was there & i'd make it work somehow.
Last edit: 14 Jun 2022 16:27 by RT325.
14 Jun 2022 16:22 #8

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Replied by AirborneSilva on topic Clutch questions

I'm far from an expert, only just did one on my DT2 recently, but it looks like it should begin with a fiber and end in a fiber since the last fiber is sticking out way too far... 
1976 DT400C
1981 DT175H
1972 DT2 250
15 Jun 2022 15:38 #9

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Replied by RT325 on topic Clutch questions

#9, he does end with a fiber, but do you mean end with a steel seeing fiber sits out too far, & do away with one fiber. Something sure aint right eh!!. Is starting with a fiber from what op says. Mis-match of bits, hub & basket maybe. Or new plates are 'way' thicker stacking up as we see--too far out. I don't know!!. More to come i'm sure & we 'all' want to fix it. Be good if we all lived close.
Just studying the pics there 'might' be just enough room to take the last fiber out & just have the steel as last in if it'll compress by the pressure plate. But sure as hell something will hiccup like pushrod mushroom gead will bottom on the shaft before its all compressed up. Anyway--i'm out till later.
Last edit: 15 Jun 2022 16:28 by RT325.
15 Jun 2022 16:24 #10

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