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ZB BB GS #528008
02/13/14 6:24 pm
02/13/14 6:24 pm
Joined: Dec 2005
Posts: 555
Kansas City area
BritTwit Offline OP

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Kansas City area
A few months ago I suggested an ongoing thread for early Gold Stars. Please feel free to add to this thread anything related to ZB & BB rigid or plunger frame Goldies. Hopefully this will make it easier to access information for these early models.



In response to BSA Lloyd, here is my '53 Plunger Goldie.

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Re: ZB BB GS [Re: BritTwit] #528015
02/13/14 6:38 pm
02/13/14 6:38 pm
Joined: Dec 2005
Posts: 555
Kansas City area
BritTwit Offline OP

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Forgot these images. I'm still trying to get a handle on uploading.



Re: ZB BB GS [Re: BritTwit] #528017
02/13/14 6:59 pm
02/13/14 6:59 pm
Joined: Feb 2011
Posts: 3,475
Orygone
Boomer Offline

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So do you think someone added that later badge. The metal ones had the same mounting hole spacing. Here's one off of my '52 Star Twin. And the wing is on the right letter.

Bill B....



Boomer
Re: ZB BB GS [Re: BritTwit] #528047
02/14/14 12:07 am
02/14/14 12:07 am
Joined: Sep 2001
Posts: 2,796
Comox BC Canada
G
Gordo in Comox Offline
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Comox BC Canada
BritTwit: Is that a late ZB34GS in the 5000 series that is correct with that BB style head?

Gordo


Without frequent roadside repairs there is no fun in riding!
Re: ZB BB GS [Re: Boomer] #528050
02/14/14 12:27 am
02/14/14 12:27 am
Joined: Dec 2005
Posts: 555
Kansas City area
BritTwit Offline OP

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Boomer
The badges appear to be factory. Three things to note on this tank:
No indentations for the 4" badge

The badges set closer to the front of the tank as per factory photos. Unlike swing arm models that set further back.

Tapped inserts for the tank screws.

Re: ZB BB GS [Re: Gordo in Comox] #528051
02/14/14 12:30 am
02/14/14 12:30 am
Joined: Dec 2005
Posts: 555
Kansas City area
BritTwit Offline OP

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Kansas City area
Gordo

Frame # B32S.24X
Eng # BB34.GS.14X

Re: ZB BB GS [Re: BritTwit] #528053
02/14/14 1:06 am
02/14/14 1:06 am
Joined: Sep 2001
Posts: 2,796
Comox BC Canada
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Gordo in Comox Offline
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Thanks. I am always looking out for brothers to my late 52 ZB34GS with the separate rockerbox (and MCR1 gearbox) as there were only 175 or so made.

Is your oil tank the 'L' shape that wraps around the down tube? If so could you take some close shots of all the mounting points.

Gordo


Without frequent roadside repairs there is no fun in riding!
Re: ZB BB GS [Re: BritTwit] #528057
02/14/14 1:38 am
02/14/14 1:38 am
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BritTwit

My Star Twin does not have indents for the metal badges. It does have threaded bosses for the mounting screws. Unfortunately, the tank is in about the same condition as your tank, or maybe worse.

Bill B...


Boomer
Re: ZB BB GS [Re: BritTwit] #528105
02/14/14 10:39 am
02/14/14 10:39 am
Joined: Jul 2006
Posts: 930
Perth. Wild West Downunder.
M Shearer Offline
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Perth. Wild West Downunder.
Good to see this thread on the early Goldies BritTwit. It's hard to find much information on the Zb's and Bb's.

Gordo do you know what the difference is between the Plunger Goldie L shaped oil tank and the M20 oil tank? Capacity maybe?


Mark F.
'52 ZB34 Gold Star.
'65 Lightning Rocket.
'74 Roadster Commando.



Re: ZB BB GS [Re: M Shearer] #528108
02/14/14 11:07 am
02/14/14 11:07 am
Joined: Mar 2013
Posts: 18
Denver Colorado
P
Ponyboy53 Offline
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Goldie tank has extra threaded mounting holes on top for strap to frame & an extra threaded hole on the back in the curve.
Don't know what the 3rd one is "yet"
anyone else


'51 BSA ZB 34 GS - plunger
'65 BSA D7 Bantam
'68 BSA B24 Starfire
'68 B44 Shooting Star
'71 BSA B25t
'71 BSA B50t
'57 Zundapp KS601S
'42 Harley-Davidson XA
Re: ZB BB GS [Re: BritTwit] #528365
02/15/14 5:41 pm
02/15/14 5:41 pm
Joined: Aug 2001
Posts: 1,105
Kansas City, USA
J in KC Offline
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I think I may have identified the two GS riders in this photo, can anyone confirm.



#103 Harold Brooks Gallup, New Mexico
#26 Ted Boyd Arlington, Virginia

Re: ZB BB GS [Re: J in KC] #528366
02/15/14 5:55 pm
02/15/14 5:55 pm
Joined: Aug 2001
Posts: 1,105
Kansas City, USA
J in KC Offline
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Here's another nice ZB shot.


Re: ZB BB GS [Re: BritTwit] #528570
02/16/14 4:22 pm
02/16/14 4:22 pm
Joined: Sep 2001
Posts: 2,796
Comox BC Canada
G
Gordo in Comox Offline
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Comox BC Canada
Mark
As far as I can see the L tanks are all the same size. Below is a shot a an M20 tank on the left and a GS tank on the right. Only the camera angle makes them look different.

As Ponyboy mentions above there are the attachment points on the top (mine have bolts welded into the threaded holes?) and the mystery threaded hole on the back where it wraps around the fender.
These tanks are really poorly designed as the feed goes from a plain hole in the bottom and the oil is sort of filtered coming back into the tank. I read somewhere that in one of the ISDT events the return filter caused engine failures.
Gordo



Without frequent roadside repairs there is no fun in riding!
Re: ZB BB GS [Re: BritTwit] #528614
02/16/14 6:41 pm
02/16/14 6:41 pm
Joined: Aug 2013
Posts: 495
Australia
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downhere Offline
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Australia
Are mongrels allowed here?

Re: ZB BB GS [Re: BritTwit] #528784
02/17/14 6:56 pm
02/17/14 6:56 pm
Joined: Jul 2006
Posts: 930
Perth. Wild West Downunder.
M Shearer Offline
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Thanks Pony and Gordo. So other than the extra attachment points on the top of the tank does it attach to the frame in the same manner as the small round B31 tank?


Mark F.
'52 ZB34 Gold Star.
'65 Lightning Rocket.
'74 Roadster Commando.



Re: ZB BB GS [Re: BritTwit] #528806
02/17/14 8:29 pm
02/17/14 8:29 pm
Joined: Sep 2001
Posts: 2,796
Comox BC Canada
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Gordo in Comox Offline
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Comox BC Canada
Mark: Yes it just bolts to the back of the battery holder but I think the front bottom hole is in a slightly different place. The B31 tank has threaded tubes to allow it to reach the mounting plate where as the GS tank goes right against the plate.

Gordo


Without frequent roadside repairs there is no fun in riding!
Re: ZB BB GS [Re: BritTwit] #528815
02/17/14 9:32 pm
02/17/14 9:32 pm
Joined: Jul 2006
Posts: 930
Perth. Wild West Downunder.
M Shearer Offline
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Thanks Gordo.
How's your ZB going? On the road yet? What's the latest.


Mark F.
'52 ZB34 Gold Star.
'65 Lightning Rocket.
'74 Roadster Commando.



Re: ZB BB GS [Re: BritTwit] #528847
02/18/14 12:39 am
02/18/14 12:39 am
Joined: Feb 2011
Posts: 3,475
Orygone
Boomer Offline

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This is a ZB34GS oil tank that I just had dipped and stripped. It appears one of the mounting holes has been kinda repaired. It's aimed in the wrong direction.





This is the one off of my '49 ZB34GS yet to be dipped and stripped. It has the welded in bolt or stud that I think BritTwit referred to. Sorry about the focus. I believe both of these to be B34 GS but not totally sure of the mounting points.





Bill B....


Boomer
Re: ZB BB GS [Re: BritTwit] #528887
02/18/14 9:36 am
02/18/14 9:36 am
Joined: Jul 2006
Posts: 930
Perth. Wild West Downunder.
M Shearer Offline
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Thanks for the info Bill. Don't suppose you have a spare sitting on the shelf.

Just for something a bit different. My daughter bought me this for Christmas. What a girl. Such good taste. bigt




Mark F.
'52 ZB34 Gold Star.
'65 Lightning Rocket.
'74 Roadster Commando.



Re: ZB BB GS [Re: M Shearer] #528904
02/18/14 12:41 pm
02/18/14 12:41 pm
Joined: Sep 2012
Posts: 138
Ireland
D
David Cass1 Online content
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Posts: 138
Ireland

Re: ZB BB GS [Re: BritTwit] #529036
02/19/14 12:18 am
02/19/14 12:18 am
Joined: Jul 2006
Posts: 208
Santa Fe, Texas
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bsalloyd Offline

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Posts: 208
Santa Fe, Texas
Thanks for the photos Dan. Here are some of my 1953 BB GS

Last edited by bsalloyd; 02/19/14 12:20 am.

1951 ZB GS
1953 BB GS
1953 Super Flash
1954 Vincent BS
1963 RGS

Re: ZB BB GS [Re: BritTwit] #529039
02/19/14 12:23 am
02/19/14 12:23 am
Joined: Jul 2006
Posts: 208
Santa Fe, Texas
B
bsalloyd Offline

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B
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Posts: 208
Santa Fe, Texas
Okay, so they did not all post. We try again.


1951 ZB GS
1953 BB GS
1953 Super Flash
1954 Vincent BS
1963 RGS

Re: ZB BB GS [Re: bsalloyd] #531008
03/01/14 7:06 pm
03/01/14 7:06 pm
Joined: Aug 2001
Posts: 1,105
Kansas City, USA
J in KC Offline
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Re: ZB BB GS [Re: BritTwit] #535926
04/01/14 3:13 am
04/01/14 3:13 am
Joined: Aug 2003
Posts: 79
Sydney, Australia
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Mebbo Offline

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Posts: 79
Sydney, Australia
Good to see the early Goldie thread.I'm building a 1949 ZB34GS replica based on a very early (ZB34GS 159) motor (heavily raced!)which went in a plunger frame to Rich Child on the East Coast in June '49. As far as I can ascertain, the 350s were shipped in February '49, having been shown at the late '48 Earls Court Motor Show in the UK, and their first outing was the Daytona races in March '49. It was a dealer team from Child's but with heavy factory interest (Bert Perrigo was on hand). They also ran very, very well in the IOMM TT of that year, ie won. The 500s were shipped in Spring ,but their first comp outing was in late Autumn in the ISDT in Wales. Both the 350 and 500 had the 7" brake and ran 21" front wheels. The 500s had the later oil tank (see photo a few posts above) but the 350s had the earlier XB/YB oil tank and the logo on the timing cover was the old one without the "wing" on "BSA". Roy Bacon's singles book has period photos of both bikes, and there are some good pix of the early Daytona 350s on the net (google Tommy McDermott). I'll attempt to post some photos.
Mebbo


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