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T140 fork dampers #511055
10/19/13 4:19 pm
10/19/13 4:19 pm
Joined: Oct 2012
Posts: 74
San Luis Obispo California
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calal Offline OP
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calal  Offline OP
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Joined: Oct 2012
Posts: 74
San Luis Obispo California
Getting ready to install Race Tech cartridge emulators in my T140 forks, I notice that in the parts book diagrams there's a change in 1980 where the !979 and previous damper tube and valve assy. (97-4325) is broken down into the component parts - tube, valve nut, washer, etc. Are these assemblies all the same, '73-'81? Or are the '80-'81 forks different (better) in some way? Can't tell from the diagrams...
Thanks
Alan


'71 T100 Daytona
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Re: T140 fork dampers [Re: calal] #511730
10/24/13 2:40 pm
10/24/13 2:40 pm
Joined: Sep 2007
Posts: 1,578
Shingle Springs, California
Roadwarrior Offline

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Roadwarrior  Offline

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Shingle Springs, California
I think that Jubeeprince has the late T140's and should be able to answer your question. Try emailing him.

Bob


Bob


73 Triumph T140 Main Ride
70 Bonnie
67 BSA West Coast Hornet

56 Chevy

Who are the brain police?



Re: T140 fork dampers [Re: calal] #511789
10/24/13 9:29 pm
10/24/13 9:29 pm
Joined: Jan 2004
Posts: 3,601
ca, us
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DMadigan Online content
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DMadigan  Online Content
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ca, us
They changed the inside diameter of the stanchions at some point. May that is it. I doubt they are any better, they still used the same design.

Re: T140 fork dampers [Re: calal] #511989
10/26/13 11:21 am
10/26/13 11:21 am
Joined: Nov 2005
Posts: 7,275
Back on the mainland!
JubeePrince Offline

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JubeePrince  Offline

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Appreciate the vote of confidence, Bob, but I don't know! laugh

AFAIK, Damper assembly was the same '73 - '81. I believe they did change the fork seal on the slider a bit with the addition of a circlip. That may have been in conjuntion with the change DMadigan is referencing...

I'm sure Stuart or Les could chime in here and set the record straight! help

Cheers,

Steve


'77 T140J
"Vintage Bike". What's in your garage?

"The paying customer is always right."

Fitting round pegs into square holes since 1961...
Re: T140 fork dampers [Re: JubeePrince] #512068
10/26/13 4:31 pm
10/26/13 4:31 pm
Joined: Mar 2006
Posts: 3,491
Norfolk, UK
L.A.B. Online content
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L.A.B.  Online Content
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Norfolk, UK
Originally Posted By: JubeePrince
I'm sure Stuart or Les could chime in here and set the record straight! help


I don't think there were any changes made to the later T140 damper assembly-as far as I know.

Stuart?

Re: T140 fork dampers [Re: L.A.B.] #512378
10/28/13 9:44 pm
10/28/13 9:44 pm
Joined: Jun 2002
Posts: 9,536
Scotland
S
Stuart Online content
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Stuart  Online Content
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Joined: Jun 2002
Posts: 9,536
Scotland
Hi All,

I'm not aware of any differences between either the dampers or the stanchion i.d. - e.g. the 'O'-ring and nut that respectively seal and secure the damper valve in the stanchion are the same all the way back to '71.

Nevertheless, I'm in Reg Allen's one day this week so I'll enquire.

Hth.

Regards,


Moderated by  John Healy 


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