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Allan G Offline OP
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Would anyone have images and possibly even detailed drawings of the rear brackets for the mounting brackets that support the tail end of the exhaust pipes on the underslung west coast TT pipes.

Thanks in advance.


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68’ A65 Lightning “clubman”
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I'll look at one today, could probably email you a shot. Don't have one off a bike right now.

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Allan G Offline OP
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Originally Posted by leon bee
I'll look at one today, could probably email you a shot. Don't have one off a bike right now.


That will be great Leon, thank you.


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I pulled one off and traced it. 6 1/2" long, dog bone looking ends are 13/16" circles. Shank in between end circles is 9/16" wide and straight. Thickness about maybe 5/32". Forgot to measure holes center to center. If you want a picture, beaverbikes at gmail dot com.

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Originally Posted by leon bee
I pulled one off and traced it. 6 1/2" long, dog bone looking ends are 13/16" circles. Shank in between end circles is 9/16" wide and straight. Thickness about maybe 5/32". Forgot to measure holes center to center. If you want a picture, beaverbikes at gmail dot com.


Win,

If you want, any and all pictures of the setup can be emailed to me and I will post them here for all to see?

wwhitjonw AT AOL dot com


Jon W.


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Jon I'll do that, have to dig out my older computer first.

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Originally Posted by leon bee
Jon I'll do that, have to dig out my older computer first.


Sounds like a plan!


Jon W.


1957 6T Thunderbird 650
1968 T100R Daytona 500
1971 TR6R Tiger 650
1970 BSA A65F 650
1955 Tiger 100 - Project
1971 BSA A65 650 - Project
1972 Norton Commando 750 "Combat"


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Allan G Offline OP
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@ Jon and Leon, that’s great, thank you both very much!!

Originally Posted by leon bee
I pulled one off and traced it. 6 1/2" long, dog bone-looking ends are 13/16" circles. Shank in between end circles is 9/16" wide and straight. The thickness is about maybe 5/32". Forgot to measure holes center to center. If you want a picture, beaverbikes at gmail dot com.

Perfect, thank you. I would think the bolt holes would be fairly self-explanatory. More so with the photos?


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[Linked Image from i.postimg.cc]

[Linked Image from i.postimg.cc]

[Linked Image from i.postimg.cc]


1967 BSA Wasp
1967 BSA Hornet (West Coast Model)
1967 BSA Hornet (East Coast Model)
1968 BSA Firebird Scrambler
1968 BSA Spitfire Mark IV
1965 BSA Cyclone Competition Build
1965 BSA Spitfire Hornet Build
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Thanks Gary. I gotta say, though, I've only ever had four of these pieces in my hand, but all four were flat.

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Originally Posted by Gary E
[Linked Image from i.postimg.cc]

[Linked Image from i.postimg.cc]

[Linked Image from i.postimg.cc]


That’s great Gary, thank you.

Out of interest, which end does the bend go to? The pipe end or the frame end?

Thanks again.


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The bend is at the top at the frame and they go on the outside of both the pipe and the frame. The original factory holes are larger than the bolts to allow for adjustment since the pipes fit a bit differently on each bike and each side.

All of the originals I have seen had the bend. None were flat.


1967 BSA Wasp
1967 BSA Hornet (West Coast Model)
1967 BSA Hornet (East Coast Model)
1968 BSA Firebird Scrambler
1968 BSA Spitfire Mark IV
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Both of them on my 67 are dead flat. Both of them on a 67 basket case I saved last year were flat. Both with original pipes.

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You have both been really helpful with measurements, I will make some stiff card mock ups using the dimensions and see if it requires the bend from there I can do it with the card before making the final metal item.

Thankyou again.


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Allan, looking at those measurements, I reckon BSA used the C15 rear brake torque arm and put a slight bend in it. The part number is 40-6034 and someone is selling them in unpolished stainless on e bay. Wouldn't be the first time BSA re used a part for something else.


VicCyclone

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Originally Posted by VicCyclone
Allan, looking at those measurements, I reckon BSA used the C15 rear brake torque arm and put a slight bend in it. The part number is 40-6034 and someone is selling them in unpolished stainless on e bay. Wouldn't be the first time BSA re used a part for something else.


Thanks Vic, price isn’t too shabby either (certainly compared to the cost
of making one)

I’ll buy one and see how it goes.


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Allen…..Peter Quick sells used 40-6034 for $6 US.

Well he did as of yesterday…if they actually are the same part the price might go up!!

Gordon in NC


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Originally Posted by Gordon Gray
Allen…..Peter Quick sells used 40-6034 for $6 US.

Well he did as of yesterday…if they actually are the same part the price might go up!!

Gordon in NC

A good reason not to buy from him if they did go up in price just off the strength of that, but I would be surprised if he did that. Since there are so few west coast hornets out there and the pipes seldom come to market, I doubt they would be much call for them.

Shipping from the states, customs etc (parcel force in the UK would even add a handling charge of a fixed value) just makes some parts orders not worth purchasing from outside the UK. If it’s something special then of course that’s different or if your putting a big order through.


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Allan, I was only kidding about the price raise. Peter is a straight up kinda guy and I do most of my business with him.

We are very lucky to have someone like him in business.

What I was getting at is if they are the same part, there seems to be plenty of them out there. Heck I have some I’ll never use in my shop. ( but will probably go to Wade someday with the rest of my C15 stuff) Yea C15 bits in the UK should be on every street corner.


Gordon

Last edited by Gordon Gray; 11/10/21 11:29 am.

Gordon Gray in NC, USA........my son says.... "Everybody is stupid about something"
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Gordon, you're right there are loads of them at every autojumble and on e bay. I' m fascinated to see if they are the same part hiding in plain sight.


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[quote I doubt they would be much call for them[/quote]

It's surprising what sells and what doesn't. I thought that when about 3 years ago I bought a job lot of NOS BSA and Triumph parts to find to my dismay that it included 14 right hand TT Bonneville exhaust brackets. I now have one left.

Last edited by VicCyclone; 11/10/21 6:55 pm.

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Originally Posted by VicCyclone
Gordon, you're right there are loads of them at every autojumble and on e bay. I' m fascinated to see if they are the same part hiding in plain sight.

I’m 99.9% sure mine are from a C15. If I have time tonight I’ll drag one out measure and photograph it. Doesn’t prove much but it could be used to compare to Gary’s.

That is if someone doesn’t beat me to it.

Gordon

Last edited by Gordon Gray; 11/10/21 4:47 pm.

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Gordon, I beat you to it. I remembered I've got a complete NOS C15 Competition rear hub in a box in my hoard, with torque arm. Well it's official, 68-2826 is simply 40-6034 with a bend. The dimensions are identical to Gary's diagram. Hiding in plain sight after all.


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this discussion took an unusual turn, but I have to eat some of my words above. The bracket I pulled off my 67 to inspect was completely flat, apparent when it was placed on the bench. But I figured I should look at the other side, the right side: that one does have a bit of a bend. A more gradual bend than in Gary's picture, almost from the center. Now I have to look at that other 67.

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Originally Posted by leon bee
this discussion took an unusual turn.........

Hope this isn't clouding up the thread BUT......I'm going with Vic's assessment that they are the same part. I finally found mine ( they were well hidden) I'll take some photos and share here in a bit.....got some honey dos to take care of first.

BUT........I did measure one and it was exactly the same (sans bend) as Gary's. Photographic proof later.

I won't use mine......kinda promised all my C15 bits to Wade. BUT I can be bought.

If you're going to use them on a C15.......$6 plus shipping

for use on a West Coast Hornet.........$75 plus shipping

If you can find a use for them on a Gold Star........$250 and I'll cover shipping.

NOTE: Prices are for ONE (1) bracket only.........don't try to low ball me......I know what I got. laughing

Gordon

Last edited by Gordon Gray; 11/11/21 10:48 pm.

Gordon Gray in NC, USA........my son says.... "Everybody is stupid about something"
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