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4 Spring Early clutch #781573 08/15/19 9:29 pm
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Semper Gumby Offline OP
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Refreshing my 4 spring clutch on the 63 A65.

There are 6 steel plates 68-3221 and 5 friction plates 42-3262 and the inmost steel plate in the back is pressed on the clutch center 68-3220. So I think there is no way to get it off with out removing the primary drive. Anybody else have this experience? If I don't get it out then it will be the weak link in the clutch as it was pretty well polished.

I tried getting some angled picks behind it but it would not budge off the center splines. Oh and I have the early version of the 4 spring clutch. Your wisdom is needed

Thanks in advance.

Last edited by Semper Gumby; 08/15/19 10:30 pm.

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Re: OOgh me achin Head [Re: Semper Gumby] #781577 08/15/19 10:12 pm
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You can just pull the clutch centre off the spline, use the adjusting bolts and a small plate with 3 holes in it if it's on hard.
The 4 spring clutches all have a centre with a lip that the thicker steel rearmost plate sits on, they tend to stick on the centre as well.

Re: OOgh me achin Head [Re: Semper Gumby] #781579 08/15/19 10:14 pm
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Dunno about the states, but over here on this side of the pond, bikes were used more for everyday transport than fun at the weekends. People ran bikes hard and on a shoestring, as little maintenance as they could get away with. Which often led to bodges and shoddy work.

Re: OOgh me achin Head [Re: NickL] #781585 08/15/19 10:36 pm
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Originally Posted by NickL
You can just pull the clutch centre off the spline, use the adjusting bolts and a small plate with 3 holes in it if it's on hard.
The 4 spring clutches all have a centre with a lip that the thicker steel rearmost plate sits on, they tend to stick on the centre as well.



Thank NickL for the info.

My bad I miss-red the parts book. It was designed this way....

I hope I'm understanding this - So undo the nut and pull the clutch center off? Leaving the the outer and the rollers on the taper of the shaft. I had no idea how different this clutch is vs. the three spring


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Re: OOgh me achin Head [Re: bon] #781586 08/15/19 10:38 pm
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Originally Posted by bon
Dunno about the states, but over here on this side of the pond, bikes were used more for everyday transport than fun at the weekends. People ran bikes hard and on a shoestring, as little maintenance as they could get away with. Which often led to bodges and shoddy work.


I assumed the 4 Spring clutch and the 3 Spring clutches were similar. They are not. My bad.

Learning is occurring. Grumpiness removed.

Last edited by Semper Gumby; 08/15/19 10:38 pm.

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Re: OOgh me achin Head [Re: NickL] #781587 08/15/19 10:43 pm
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Originally Posted by NickL
The 4 spring clutches all have a centre with a lip that the thicker steel rearmost plate sits on, they tend to stick on the centre as well.


My 1964 parts book lists the same part number for the rearmost plate and the other steel plates.
You say the rearmost plate is supposed to be thicker?

Is this an A10 thing carried over to the A65?


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Re: OOgh me achin Head [Re: Semper Gumby] #781588 08/15/19 10:43 pm
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The 4 spring is a better clutch anyway..........,.....
The rollers will still fall out if you are not careful but i'm sure you will be. (there's one more of 'em than in a 3 spring type)
Unless your'e stripping the whole clutch assembly, there is no need to remove that rear plate anyway.

The rearmost plat was originally thicker but many i've seen were not fitted with the thick rear one. I doubt it made a huge difference.
Even with the thin rear plate you'll have trouble getting a 7 plate conversion on, i've just done one.

I forgot to say,,,,, pulling the clutch centre off will need you to put a socket or similar under the plate onto the end of the mainshaft,
the centre will come off as a lump then. Some are tighter than others of course.

Last edited by NickL; 08/15/19 10:55 pm.
Re: OOgh me achin Head [Re: NickL] #781592 08/15/19 11:00 pm
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Ok I'll try and get away leaving the rear plate on and putting the new pack in.


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Re: OOgh me achin Head [Re: Semper Gumby] #781608 08/16/19 2:30 am
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Amazing how the clutch disconnects soooo much better when the cush drive is properly together.

Some adjustments tomorrow.

FWIW - This is still a 6 volt A65!!!!!

Last edited by Semper Gumby; 08/16/19 3:10 am.

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Re: OOgh me achin Head [Re: Semper Gumby] #781681 08/16/19 11:02 pm
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You may want to put a set of Liquorice drops in the centre as well, while it's apart. (cush rubbers)


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