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Replacing Clutch Cush Drive Rubbers ???? #380392
06/23/11 1:22 am
06/23/11 1:22 am
Joined: Aug 2001
Posts: 7,317
Vermont
Jon W. Whitley Offline OP

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Jon W. Whitley  Offline OP

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Joined: Aug 2001
Posts: 7,317
Vermont
This is one job I have never done. I currently have the clutch on my 1970 BSA 650 disassembled and although the rubbers look decent, I am contemplating replacing them.

I believe I've seen or heard in the past that this can be a frustrating job. Maybe I heard wrong or think I did !

Anyhow, anybody want to share some insight-tips concerning this job or really even think I should if they look okay?



Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project

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Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Jon W. Whitley] #380419
06/23/11 4:58 am
06/23/11 4:58 am
Joined: Aug 2001
Posts: 4,420
Santa Barbara, California
KC in S.B. Offline

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KC in S.B.  Offline

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Posts: 4,420
Santa Barbara, California
Insight ? DON'T. (do you really need to?)

To do it, you need a rig that will hold the hub, while you horse (rotate) the drum enough to make space to drop them in. The factory had a special table for that job. You could make something up if you had an old transmision shaft to put in a vise to hold the hub. I don't know if you could do it with the hub on bike, as horsing the drum would be tough in the limited space of the primary.
Thought about it myself once, that hub is still in pieces!


Down to 1 BSA, 2 Triumphs, 1 '56 Chevy
Oops,.. add 1 '65 XLCH
Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Jon W. Whitley] #380422
06/23/11 5:06 am
06/23/11 5:06 am
Joined: Oct 2004
Posts: 4,429
Melbourne Australia
Tiger Offline
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Tiger  Offline
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Melbourne Australia
Been a while since I did mine but a couple of screwdrivers and some Armorall for lubricant did the trick.


1969 TR6R
7.62 x 51 is not a maths puzzle.
Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Jon W. Whitley] #380424
06/23/11 6:08 am
06/23/11 6:08 am
Joined: Jul 2002
Posts: 604
England
Tom_dup1 Offline
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Tom_dup1  Offline
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Posts: 604
England
I put them in on one side, the easy bit, then compressed the rubbers in an oiled adjustable wrench. Lined them up with the slot they go into and pushed the rubbers out of the wrench with a screwdriver. Worked a treat.

HTH

Tom

Last edited by Tom_dup1; 06/23/11 6:09 am.
Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Jon W. Whitley] #380427
06/23/11 6:39 am
06/23/11 6:39 am
Joined: Dec 2002
Posts: 3,275
arkansas
L
leon bee Offline
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leon bee  Offline
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L

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Posts: 3,275
arkansas
Didn't I read where somebody squeezed em with visegrips and put them in the freezer for a while? Maybe that P80 lube John H. raves about would be good. So far, I've avoided this job also.

Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Jon W. Whitley] #380431
06/23/11 7:18 am
06/23/11 7:18 am
Joined: Oct 2007
Posts: 1,354
Nanaimo, B.C. Canada
W
Wilfred Online content
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Wilfred  Online Content
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W

Joined: Oct 2007
Posts: 1,354
Nanaimo, B.C. Canada
Used " tire mounting stuff " to get mine in and it did the job. Cheers, Wilf.


"It's about the ride..."
Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Wilfred] #380443
06/23/11 10:19 am
06/23/11 10:19 am
Joined: Aug 2001
Posts: 7,317
Vermont
Jon W. Whitley Offline OP

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Jon W. Whitley  Offline OP

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Hmmmm,

Well, K.C. finds it a hard job to do and almost everybody else didn't find it too hard to do.

Wilfred, what is "tire changing stuff" ? I use WD-40 for tire changing stuff.

In my view, the rubbers aren't crumbling away so I am thinking I might not need to do it. On the other hand I understand that the rubber hardens over time. I just don't want to replace those if I don't really have to.


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project

Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Jon W. Whitley] #380456
06/23/11 12:26 pm
06/23/11 12:26 pm
Joined: Oct 2004
Posts: 4,429
Melbourne Australia
Tiger Offline
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Tiger  Offline
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Melbourne Australia
Do it Jon, easy job and hopefully it will be years before you have to get back in there.

Match the rubbers up to location before removing the old ones, I may be slightly dislexic, remember scratching my head over that, if I recall correctly the old rubbers had taken a "set" and looked slightly different to the new.


1969 TR6R
7.62 x 51 is not a maths puzzle.
Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Jon W. Whitley] #380464
06/23/11 1:26 pm
06/23/11 1:26 pm
Joined: Jan 2006
Posts: 2,017
Asheville, NC
Mike Baker Offline
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Mike Baker  Offline
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Posts: 2,017
Asheville, NC
2 things make it easy:
Old clutch hub in a vice and old plain (driven) clutch plate with a 1' piece of steel welded onto it.
piece of cake....

Mike

Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Jon W. Whitley] #380476
06/23/11 3:11 pm
06/23/11 3:11 pm
Joined: Jan 2004
Posts: 3,901
ca, us
D
DMadigan Offline
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DMadigan  Offline
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D

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Posts: 3,901
ca, us
Take an old driven plate and add (bolt/weld) a bar to it. After the first set are in use the plate to compress the rubbers and install the other set. Holding the hub takes a spare shaft in a soft vice or slip it on the shaft in the engine and use high gear/rear brake to hold it.
A good use for old clutch plates is to bolt a couple drive/driven plates together to lock the chainwheel to the clutch hub.

Re: Replacing Clutch Cush Drive Rubbers ???? [Re: leon bee] #380479
06/23/11 3:18 pm
06/23/11 3:18 pm
Joined: Sep 2002
Posts: 7,813
Seattle
Alex Offline

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Alex  Offline

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Posts: 7,813
Seattle
Originally Posted by leon bee
Didn't I read where somebody squeezed em with visegrips and put them in the freezer for a while? Maybe that P80 lube John H. raves about would be good. So far, I've avoided this job also.


DINGDINGDINGDING!!! We have a winner! The freezer method makes a very difficult job a piece of cake. I believe it was RichB that posted that.


A smattering:
'53 Gold Flash
'67 Royal Star
'71 Rickman Metisse
'40 Silver Star
'37 Rudge Special
sixtyseventy Lightboltrocket road racer...and many more.
Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Jon W. Whitley] #380509
06/23/11 6:57 pm
06/23/11 6:57 pm
Joined: Mar 2005
Posts: 10,251
Boston, Massachusetts
J
John Healy Offline
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John Healy  Offline
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J

Joined: Mar 2005
Posts: 10,251
Boston, Massachusetts
Google P-80 they will send you a free sample. As the old joke goes, "you will need to strap a board across your buttocks to keep from falling in."

But if you have the older 6 screw iteration of the hub assembly may I strongly suggest that you invest in the later iteration which is held together by 3 bolts.


Re: Replacing Clutch Cush Drive Rubbers ???? [Re: John Healy] #380528
06/23/11 11:55 pm
06/23/11 11:55 pm
Joined: Aug 2001
Posts: 7,317
Vermont
Jon W. Whitley Offline OP

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Jon W. Whitley  Offline OP

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Joined: Aug 2001
Posts: 7,317
Vermont
It is a 1970 and a 3 bolt set-up.


Thanks to all for the advice concerning this job. If I do it (If!) I will try to remember to post the process and end result of said job.


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project

Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Jon W. Whitley] #380576
06/24/11 7:14 am
06/24/11 7:14 am
Joined: Oct 2007
Posts: 1,354
Nanaimo, B.C. Canada
W
Wilfred Online content
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Wilfred  Online Content
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W

Joined: Oct 2007
Posts: 1,354
Nanaimo, B.C. Canada
Jon....tire mounting stuff is a tub of stuff that makes changing tires and even tyres a snap. And it doesn't promote rust on the rims. The local bike shop got me a bucket of it years ago. I gave some to a friend who was having trouble getting new rubbers into his shocks on his 49 MG and that worked too. Comes in an 8 pound bucket and is called tire mount "stuff" from Bridge Products, Inc, Aftermarket Components Division, Muskogee, OK 74402-0769 and is made in the USA. I've had this bucket for quite a while so I don't know if it's still available but I'll ask when I pick up some oil in the next couple of days. Used it last week to get the tubless tire off my wheelbarrow last week so I could put a tube in it so it would stay up. Cheers, Wilf.


"It's about the ride..."
Re: Replacing Clutch Cush Drive Rubbers ???? [Re: Jon W. Whitley] #380610
06/24/11 12:54 pm
06/24/11 12:54 pm
Joined: Sep 2002
Posts: 7,813
Seattle
Alex Offline

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Alex  Offline

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Joined: Sep 2002
Posts: 7,813
Seattle
Oh yea, shock rubbers: Put a hose clamp around them then stick 'em in the freezer. :bigt


A smattering:
'53 Gold Flash
'67 Royal Star
'71 Rickman Metisse
'40 Silver Star
'37 Rudge Special
sixtyseventy Lightboltrocket road racer...and many more.

Moderated by  Alan_nc 


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