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Centre stand spring fitting #744131
08/02/18 8:08 pm
08/02/18 8:08 pm
Joined: Sep 2014
Posts: 800
Naarfuk, UK
T
Tigernuts Offline OP
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Tigernuts  Offline OP
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T

Joined: Sep 2014
Posts: 800
Naarfuk, UK
I knew I'd lost some strength since getting Lyme disease (you get this if bitten by an infected deer tick, for anyone who doesn't know. It's bad news and worth trying to avoid). But I must have lost more strength than I'd realised. I can hardly stretch the centre stand spring for my T160 at all. With my OIF bikes I've put a cable tie through one end, hooked the other end in place, and just pulled on the cable tie until I could shift the spring into place. No chance this time.

So, I'm wondering what tricks people have? I tried putting pennies between the coils but just buggered the spring up doing that (you have to bend the spring so much, after about 4 pennies have been inserted, that you distort a coil, permanently lengthening the spring and making it useless). I wish I could think of some clever special tool that would stretch the spring, hold it stretched, and let me fit it.

Trouble with these T160 springs is the loops at the ends are curved not far off closed, so to get the lower one onto the loop on the stand is impossible unless you do it at the start. Which means you have to get the upper end over the hook on the frame, no other choice. Which makes pulling almost impossible, as there's bloody great engine in the way.


If anything other than a blank space is visible here, something's wrong.
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Re: Centre stand spring fitting [Re: Tigernuts] #744140
08/02/18 9:17 pm
08/02/18 9:17 pm
Joined: Dec 2013
Posts: 4,503
ohio, usa
kevin roberts Online content

DOPE
kevin roberts  Online Content

DOPE

Joined: Dec 2013
Posts: 4,503
ohio, usa
i bought one of these from motion pro

[Linked Image]

https://www.eBay.com/p/Motion-Pro-0...ok/529873628?iid=113007129033&chn=ps


"Are bikes so nice as all that?" asked the mole, shyly...

"Nice? They're the only thing," said the Water Rat Solemnly, as he leaned forward on the handlebars. "Believe me, my young friend, there is nothing -- absolutely nothing -- half so much worth doing as simply messing about with bikes."
Re: Centre stand spring fitting [Re: kevin roberts] #744143
08/02/18 9:36 pm
08/02/18 9:36 pm
Joined: Sep 2014
Posts: 800
Naarfuk, UK
T
Tigernuts Offline OP
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Tigernuts  Offline OP
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T

Joined: Sep 2014
Posts: 800
Naarfuk, UK
Thanks Kevin. Oddly enough, I've just ordered something almost identical in the hope it will do the trick. If you found yours did, hopefully I'll find mine does too.


If anything other than a blank space is visible here, something's wrong.
Re: Centre stand spring fitting [Re: Tigernuts] #744152
08/02/18 9:53 pm
08/02/18 9:53 pm
Joined: Dec 2013
Posts: 4,503
ohio, usa
kevin roberts Online content

DOPE
kevin roberts  Online Content

DOPE

Joined: Dec 2013
Posts: 4,503
ohio, usa
i think i've only used it on a sidestand so far. can't remember how i did the center stand. it's been years since i had it off.


"Are bikes so nice as all that?" asked the mole, shyly...

"Nice? They're the only thing," said the Water Rat Solemnly, as he leaned forward on the handlebars. "Believe me, my young friend, there is nothing -- absolutely nothing -- half so much worth doing as simply messing about with bikes."
Re: Centre stand spring fitting [Re: Tigernuts] #744154
08/02/18 10:01 pm
08/02/18 10:01 pm
Joined: Mar 2006
Posts: 3,825
Norfolk, UK
L.A.B. Offline
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L.A.B.  Offline
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Joined: Mar 2006
Posts: 3,825
Norfolk, UK
Originally Posted by Tigernuts
Thanks Kevin. Oddly enough, I've just ordered something almost identical in the hope it will do the trick. If you found yours did, hopefully I'll find mine does too.


I also have the spring hook tool. It's the easiest way to do it.

Another way to fit a centre stand spring is to remove the stand pivot bolts, connect both ends of the spring then lever the stand back into position and replace the bolts.

Re: Centre stand spring fitting [Re: L.A.B.] #744160
08/02/18 11:00 pm
08/02/18 11:00 pm
Joined: Aug 2014
Posts: 1,761
OZ
Triless Offline
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Triless  Offline
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Joined: Aug 2014
Posts: 1,761
OZ
Removing the pivot bolt method is how I've managed the centre stand spring on T140's. I've used the washer method to replace sidestand springs, without compromising the spring. I place the washers alternatively between the coils .

Re: Centre stand spring fitting [Re: Tigernuts] #744168
08/03/18 12:03 am
08/03/18 12:03 am
Joined: Aug 2001
Posts: 7,263
Vermont
Jon W. Whitley Offline

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Jon W. Whitley  Offline

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Joined: Aug 2001
Posts: 7,263
Vermont
The last time I fitted a centre stand spring, I used a motorcycle ratchet tie-down strap anchored on one end to the ball hitch on my truck and the other end hooked to a T handled spring pulling tool like the one pictured above. Worked phenomenally thumbsup


Jon W.


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

Re: Centre stand spring fitting [Re: Tigernuts] #744170
08/03/18 12:54 am
08/03/18 12:54 am
Joined: Apr 2017
Posts: 629
NJ USA
M
Mori55 Offline
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Mori55  Offline
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M

Joined: Apr 2017
Posts: 629
NJ USA
Used pennies and rope.

Re: Centre stand spring fitting [Re: Tigernuts] #744180
08/03/18 3:11 am
08/03/18 3:11 am
Joined: Apr 2014
Posts: 181
Quebec Canada
H
Hermit Offline

BritBike Forum member
Hermit  Offline

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H

Joined: Apr 2014
Posts: 181
Quebec Canada

Re: Centre stand spring fitting [Re: Tigernuts] #744186
08/03/18 4:22 am
08/03/18 4:22 am
Joined: Nov 2002
Posts: 434
australia
T
tiger_cub Offline
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tiger_cub  Offline
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Joined: Nov 2002
Posts: 434
australia
I've always just taken the stand off, put the spring in place and stretched using the stand as a lever until you can get the bolts back in.


1970 TR6C
1970 TR6R
Re: Centre stand spring fitting [Re: Tigernuts] #744199
08/03/18 9:53 am
08/03/18 9:53 am
Joined: Sep 2014
Posts: 800
Naarfuk, UK
T
Tigernuts Offline OP
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Tigernuts  Offline OP
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T

Joined: Sep 2014
Posts: 800
Naarfuk, UK
I think a combination of pulling using the T handled puller (possibly with the aid of a ratchet strap - good idea there Jon), and a better spring will do the trick.

I've found an OIF c/stand spring and its ends are less back-curved. This one would be possible to pull backward (the upper end fitted over the hook on the frame), and still be possible to get the end into the loop on the stand. No chance of that with the spring I was struggling with yesterday. I had to open the end up just to get it onto the stand's loop without any tension on it. Seems there are some duff springs out there.


If anything other than a blank space is visible here, something's wrong.
Re: Centre stand spring fitting [Re: Tigernuts] #744243
08/03/18 8:53 pm
08/03/18 8:53 pm
Joined: Sep 2014
Posts: 800
Naarfuk, UK
T
Tigernuts Offline OP
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Tigernuts  Offline OP
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T

Joined: Sep 2014
Posts: 800
Naarfuk, UK
OK, having done a bit of eBay research I've found that there are at least two types of T160 centrestand spring being sold under the 82-4671 part number. This link shows the type I ended up with:-
https://www.eBay.co.uk/itm/82-4671-BSA-A75-TRIUMPH-T120-T140-T150-BONNEVILLE-TRIDENT-CENTRE-STAND-SPRING/232770969184?hash=item36323b1e60:g:Xz8AAOxyuOtRZRaX
And this link shows a spring under the same part number but with quite different ends (which look as if they will actually fit, unlike the one I struggled with yesterday):-
https://www.eBay.co.uk/itm/TRIUMPH-T100-T120-T140-T150-CENTRE-STAND-SPRING-PN-82-3617-82-4671-BIN-317/162633762554?hash=item25ddba46fa:g:kPkAAOSwLgNaX02m

Apologies if these links don't show up as live, but they ought to work if copied & pasted.

I hope I;m not alone in recognising a significant difference?


If anything other than a blank space is visible here, something's wrong.
Re: Centre stand spring fitting [Re: Tigernuts] #744281
08/04/18 2:40 am
08/04/18 2:40 am
Joined: Aug 2001
Posts: 1,733
Jordan, NY
Al Eckstadt Online content

BritBike Forum member
Al Eckstadt  Online Content

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Joined: Aug 2001
Posts: 1,733
Jordan, NY
I made a T handle puller - simple except the formed end has to be hardened. I heated it and quenched it in heavily concentrated brine solution. But lately I've found a brake spring tool works very nicely. Hook one end and put the spring on the brake tool and slide the spring into place. Looks something like this one...
The tapered end rests on the spring pin and you lift the tool until the spring slides down the taper and onto the pin...
[Linked Image]


Al Eckstadt
Re: Centre stand spring fitting [Re: Tigernuts] #746322
08/21/18 4:50 pm
08/21/18 4:50 pm
Joined: Dec 2006
Posts: 4,077
Massachusetts, U.S.A.
B
btour Offline
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btour  Offline
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Joined: Dec 2006
Posts: 4,077
Massachusetts, U.S.A.
Sorry, I can't resist.

As you said with my starting problems. Kick it harder!


Bob, Lifetime bike: '71 T120R, bought in '71 at Ken Heanes, England.
Re: Centre stand spring fitting [Re: kevin roberts] #746407
08/22/18 5:31 am
08/22/18 5:31 am
Joined: Jan 2013
Posts: 39
USA, California
Bluehighways Offline
BritBike Forum member
Bluehighways  Offline
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Joined: Jan 2013
Posts: 39
USA, California
Originally Posted by kevin roberts
i bought one of these from motion pro

[Linked Image]

https://www.eBay.com/p/Motion-Pro-0...ok/529873628?iid=113007129033&chn=ps


An excellent tool! For both the Center-Stand and the Kick-Stand Springs.

Re: Centre stand spring fitting [Re: Tigernuts] #746607
08/24/18 1:21 pm
08/24/18 1:21 pm
Joined: Dec 2006
Posts: 4,077
Massachusetts, U.S.A.
B
btour Offline
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btour  Offline
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B

Joined: Dec 2006
Posts: 4,077
Massachusetts, U.S.A.
Ok, That may be a fine tool for your lawn tractor spring but it is not needed for this. I struggled with this problem myself, using the coins, etc. Until finally, finally I realized you can, as mentioned, use the stand itself. It is bit of a sequence puzzle, but one worth solving.

Sorry to hear about your Lyme's. Does this mean you can't leap in the air to kickstart anymore?

If it does, then welcome to humanity.


Bob, Lifetime bike: '71 T120R, bought in '71 at Ken Heanes, England.
Re: Centre stand spring fitting [Re: btour] #746628
08/24/18 4:49 pm
08/24/18 4:49 pm
Joined: Sep 2014
Posts: 800
Naarfuk, UK
T
Tigernuts Offline OP
BritBike Forum member
Tigernuts  Offline OP
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T

Joined: Sep 2014
Posts: 800
Naarfuk, UK
I've worked out a great way to use the coins trick. I put the new spring between the frame and the lifting arm of my small trolley jack and jack it so the coils are far enough apart to slide coins in. It works a treat this way - I got 16 pennies in my new spring which stretches it enough to just drop it over the hooks.

Lyme disease is certainly worth putting some effort into avoiding. I would have done if I'd known anything about it. I know all about it now! Luckily, the treatment seems to have worked, but I've lost a lot of strength in my arms. No problem kickstarting though - but maybe I will have with the T160, as their kickstarts are weird, and tend to fold under at the bottom of the stroke.


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Re: Centre stand spring fitting [Re: Tigernuts] #746634
08/24/18 7:01 pm
08/24/18 7:01 pm
Joined: Dec 2009
Posts: 194
Michigan, USA
H
henryanthony Offline
BritBike Forum member
henryanthony  Offline
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H

Joined: Dec 2009
Posts: 194
Michigan, USA
Drill and tap two holes in the top of the jaws of a bench vise. Screw in two set/grub screws. Hook the springs to the set screws, spread the spring by opening the vise jaws and insert coins on either side of the spring to keep the spring from curving. I recall using dimes. Works very well.

Re: Centre stand spring fitting [Re: tiger_cub] #746649
08/24/18 9:45 pm
08/24/18 9:45 pm
Joined: May 2005
Posts: 3,853
ohio
shel Online content
BritBike Forum member
shel  Online Content
BritBike Forum member

Joined: May 2005
Posts: 3,853
ohio
Originally Posted by tiger_cub
I've always just taken the stand off, put the spring in place and stretched using the stand as a lever until you can get the bolts back in.


This is how I did the side stands and center stands on both my bikes, It works fine.


When given the choice between two evils I picked the one I haven't tried before
Re: Centre stand spring fitting [Re: Tigernuts] #746652
08/24/18 10:06 pm
08/24/18 10:06 pm
Joined: Feb 2008
Posts: 4,569
New Jersey USA
Tridentman Online content

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Tridentman  Online Content

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Joined: Feb 2008
Posts: 4,569
New Jersey USA
+1. Works well for me.


Moderated by  John Healy 


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