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Girling Rear Shocks -- Repairable? #226145
11/30/08 10:46 pm
11/30/08 10:46 pm
Joined: Nov 2008
Posts: 32
Tallahassee, FL
halmc Offline OP
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halmc  Offline OP
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Joined: Nov 2008
Posts: 32
Tallahassee, FL
Although my B50T rear shocks show no identification whatsoever, they seem to my eye be OEM and thus Girling. I was quite able to take 'em apart -- the top of the shock unscrews, revealing somewhat conventional guts. The inner cylinder on one of mine is corroded and the rod ain't in the best of shape, tho' hard chroming would fix all wrong with the latter. QUESTION: Is there any service out there that can rebuild these shocks, and if not, are any parts available for 'em? Oddl enough, the only seal that prevents the oil from escaping the shock in both of my shocks seems to be as supple as the day it was made. Any information much appreciated.


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Re: Girling Rear Shocks -- Repairable? [Re: halmc] #226183
12/01/08 4:00 am
12/01/08 4:00 am
Joined: May 2002
Posts: 687
Winston-Salem N.C.
D
D.W.R. Offline
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D.W.R.  Offline
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Joined: May 2002
Posts: 687
Winston-Salem N.C.
Never saw a re-buildable Girling shock on any BSA model!
They commonly had the top plate welded on, not sure what you have there.
Don R.


71 Rocket 3
72 B50 MX
66-71 A 65 Bitsa
96 Trident 900
Re: Girling Rear Shocks -- Repairable? [Re: D.W.R.] #226189
12/01/08 6:38 am
12/01/08 6:38 am
Joined: Aug 2001
Posts: 2,402
SLO County, CA
D.Bachtel Online content
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D.Bachtel  Online Content
BritBike Forum member
Joined: Aug 2001
Posts: 2,402
SLO County, CA
I've got 2 pairs of rebuildable Girlings.
One came on my Gold Star Spitfire and the other pair was purchased from an old racer in Colorado.

If you can screw off the top go ahead and rebuild them yourself. Be careful to note the assembly sequence when you open them up and measure the amount of fluid to give you an idea of refill amount.

Don't get any of that fluid on ya.. open and slide apart real slowly while holding upright!

Don in Nipomo


1956 Zundapp KS601EL
1960 Greeves Scottish/Hawkstone Velorex 560
1963 BSA Gold Star Spitfire
1964 Triumph T20SM
1965 BSA C15T
1966 BSA VE
1968 Bonham Tote Gote
1969 BSA VS
1970 BSA A65L (with a "Y")
1972 Husqvarna 450 WR
1986 Yamaha TT 225
1987 BMW K75C
Re: Girling Rear Shocks -- Repairable? [Re: D.Bachtel] #226209
12/01/08 11:40 am
12/01/08 11:40 am
Joined: Nov 2008
Posts: 32
Tallahassee, FL
halmc Offline OP
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halmc  Offline OP
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Joined: Nov 2008
Posts: 32
Tallahassee, FL
Originally Posted By: D.Bachtel
I've got 2 pairs of rebuildable Girlings.
One came on my Gold Star Spitfire and the other pair was purchased from an old racer in Colorado.

If you can screw off the top go ahead and rebuild them yourself. Be careful to note the assembly sequence when you open them up and measure the amount of fluid to give you an idea of refill amount.

Don't get any of that fluid on ya.. open and slide apart real slowly while holding upright!

Don in Nipomo
Thanks, Don, they were fairly easy to take apart (by unscrewing the top with a bicycle bottom bracket tool) and with the aid of a digital camera movie, easy to note the reassembly sequence. I have two issues, really: while the shaft seals seem in workable condition, one of the shafts clearly needs to be rechromed. That's easy enough, but w/o a source for new shaft seals, it might not be money well spent. Second, the cylinder (I'm making up terms as I go along) that is, the actual tube into which the piston with a ring fits, is deteriorated beyond a fix. Trouble is, Girling repo's possessing some authenticity -- at least from the eBay pictures -- are available at ~$150 USD, so practicality is a consideration.

Y'all know of any sources for the seals or for the tube?

BTW, your notation of measuring the fluid amount for refilling purposes reminds me of an old Fabulous Furry Freak Brothers cartoon. The brothers are at the table finishing up a fine turkey dinner. One of the brothers asks what the turkey was stuffed with. The brother who cooked the turkey announced that the turkey didn't need stuffing because it wasn't empty.

My situation is an analog: one of the shocks was as dry as the Sahara and the other had a light residue of oil.

And lastly, Don: meet Don.

Last edited by halmc; 12/01/08 11:54 am.

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Re: Girling Rear Shocks -- Repairable? [Re: halmc] #227737
12/12/08 1:01 am
12/12/08 1:01 am
Joined: Aug 2001
Posts: 918
hampshire, england
T
t120mike Offline
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Joined: Aug 2001
Posts: 918
hampshire, england
Hagon do a series of Girling replacements which are technically better (double acting) and will have one to fit yours at a reasonable price. I wouldn't even THINK of restoring a rusty shock, not worth the time and money. Google them!


mike
Member #: 147
1960 T120 Bonneville
1999 H*%^a VFR 800 FI
V4 Triton Project (still keeping me sane (Ha-Ha!))
Re: Girling Rear Shocks -- Repairable? [Re: t120mike] #227824
12/12/08 7:03 pm
12/12/08 7:03 pm
Joined: Sep 2008
Posts: 131
United kingdom
P
Phil Beresford Offline
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Phil Beresford  Offline
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United kingdom
I've never seen rebuildable Girlings but there were rebuildable Marzoochis in the early 1980s that looked pretty close. Perhaps you've got a pair of those.

Re: Girling Rear Shocks -- Repairable? [Re: Phil Beresford] #227962
12/13/08 9:00 pm
12/13/08 9:00 pm
Joined: Jul 2006
Posts: 872
newcastle australia
trevinoz Online content
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trevinoz  Online Content
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Posts: 872
newcastle australia
They are probably 50's Armstrong shocks. Identifiable by the triangular cam stop on the adjuster compared to the rounded rectangle of the Girlings.
I may be corrected here, but I assumed Armstrongs were used until about 1957.
Trev.

Re: Girling Rear Shocks -- Repairable? [Re: trevinoz] #227970
12/13/08 10:18 pm
12/13/08 10:18 pm
Joined: Aug 2001
Posts: 2,402
SLO County, CA
D.Bachtel Online content
BritBike Forum member
D.Bachtel  Online Content
BritBike Forum member
Joined: Aug 2001
Posts: 2,402
SLO County, CA
Checked again, they're Girlings. Nice rebuildable units. If anyone wants a photo let me know.

It's been a while since I tutorialed myself on image posting,
but I've got a great camera and can upload/download quickly in an email.

Don in Nipomo


1956 Zundapp KS601EL
1960 Greeves Scottish/Hawkstone Velorex 560
1963 BSA Gold Star Spitfire
1964 Triumph T20SM
1965 BSA C15T
1966 BSA VE
1968 Bonham Tote Gote
1969 BSA VS
1970 BSA A65L (with a "Y")
1972 Husqvarna 450 WR
1986 Yamaha TT 225
1987 BMW K75C
Re: Girling Rear Shocks -- Repairable? [Re: t120mike] #227971
12/13/08 10:32 pm
12/13/08 10:32 pm
Joined: Nov 2008
Posts: 32
Tallahassee, FL
halmc Offline OP
BritBike Forum member
halmc  Offline OP
BritBike Forum member
Joined: Nov 2008
Posts: 32
Tallahassee, FL
Originally Posted By: t120mike
I wouldn't even THINK of restoring a rusty shock, not worth the time and money.
So do you even THINK that rstoring a rusty motorcycle is worth the time and money?


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