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Re: A65 Lightning. [Re: Peter Gascoigne] #728402
03/12/18 4:24 pm
03/12/18 4:24 pm
Joined: Feb 2012
Posts: 294
Southampton UK
P
Peter Gascoigne Offline OP
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Peter Gascoigne  Offline OP
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Joined: Feb 2012
Posts: 294
Southampton UK
Lannis,

The engine mounting lugs are cast steel, and I've just had a "conference" look at the number, the three of us are pretty much certain the is no "A".

So, hand over the pension check money please!


1971 BSA A65 Lightning "Bitsa"
1966 BSA A65 "Beezuki" with GT550 two-stroke engine
1974 Triumph T150 830cc
1975 Suzuki GT550
1975 Laverda 1000 3C
1986 Yamaha SRX 600
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Re: A65 Lightning. [Re: Peter Gascoigne] #728406
03/12/18 4:32 pm
03/12/18 4:32 pm
Joined: Jul 2001
Posts: 12,936
Central Virginia
Lannis Offline

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Lannis  Offline

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Joined: Jul 2001
Posts: 12,936
Central Virginia
Originally Posted by Peter Gascoigne
Lannis,

The engine mounting lugs are cast steel, and I've just had a "conference" look at the number, the three of us are pretty much certain the is no "A".

So, hand over the pension check money please!


Two things:

1) I ain't convinced!

2) The check would cost more to mail than it's worth ....

Lannis


I stopped believing for a little while this morning. Journey is really going to be upset.
Re: A65 Lightning. [Re: Peter Gascoigne] #728409
03/12/18 4:48 pm
03/12/18 4:48 pm
Joined: Dec 2004
Posts: 9,498
Scotland
kommando Online content
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kommando  Online Content
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Joined: Dec 2004
Posts: 9,498
Scotland
Quote
Sure. My '66 frame says A65L 9157 but the "L" was upside down!


I read that number in post #728396 as A95L 1204 which would be accounted for by a hungover worker starting his shift, he was drunk again for the upside down L.

Re: A65 Lightning. [Re: Peter Gascoigne] #728431
03/12/18 9:28 pm
03/12/18 9:28 pm
Joined: Feb 2012
Posts: 294
Southampton UK
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Peter Gascoigne Offline OP
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Peter Gascoigne  Offline OP
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Southampton UK
Bugger! There was me thinking I could retire on the proceeds of a huge pension cheque!


1971 BSA A65 Lightning "Bitsa"
1966 BSA A65 "Beezuki" with GT550 two-stroke engine
1974 Triumph T150 830cc
1975 Suzuki GT550
1975 Laverda 1000 3C
1986 Yamaha SRX 600
Re: A65 Lightning. [Re: Peter Gascoigne] #728496
03/13/18 4:51 pm
03/13/18 4:51 pm
Joined: May 2013
Posts: 4,956
Rotherham - S. Yorkshire
Allan Gill Offline

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Allan Gill  Offline

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Rotherham - S. Yorkshire
Take a photo of the seat mounting lugs, can work out faster than a duck can fart if its a 66 or 67.


beerchug
Re: A65 Lightning. [Re: Allan Gill] #728610
03/14/18 8:26 pm
03/14/18 8:26 pm
Joined: Feb 2012
Posts: 294
Southampton UK
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Peter Gascoigne Offline OP
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Peter Gascoigne  Offline OP
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Joined: Feb 2012
Posts: 294
Southampton UK
Allan,

I'll do that, but my money is on it being a 66.


1971 BSA A65 Lightning "Bitsa"
1966 BSA A65 "Beezuki" with GT550 two-stroke engine
1974 Triumph T150 830cc
1975 Suzuki GT550
1975 Laverda 1000 3C
1986 Yamaha SRX 600
Re: A65 Lightning. [Re: Peter Gascoigne] #728760
03/16/18 12:03 pm
03/16/18 12:03 pm
Joined: Feb 2012
Posts: 294
Southampton UK
P
Peter Gascoigne Offline OP
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Peter Gascoigne  Offline OP
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Joined: Feb 2012
Posts: 294
Southampton UK
There we go Allan, what do you reckon?

Attached Files 20180316_113746.jpg20180316_113737.jpg

1971 BSA A65 Lightning "Bitsa"
1966 BSA A65 "Beezuki" with GT550 two-stroke engine
1974 Triumph T150 830cc
1975 Suzuki GT550
1975 Laverda 1000 3C
1986 Yamaha SRX 600
Re: A65 Lightning. [Re: Peter Gascoigne] #728783
03/16/18 3:38 pm
03/16/18 3:38 pm
Joined: May 2013
Posts: 4,956
Rotherham - S. Yorkshire
Allan Gill Offline

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Allan Gill  Offline

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Joined: May 2013
Posts: 4,956
Rotherham - S. Yorkshire
1966

From 67 the seat mount tabs were further back, the would align with the holes which are taped over on your seat base... by 69 they went from flat tabs to ones which were angled up at 45 degrees then bent horizontal.

HTH

Last edited by Allan Gill; 03/16/18 3:40 pm.

beerchug
Re: A65 Lightning. [Re: Allan Gill] #728785
03/16/18 3:45 pm
03/16/18 3:45 pm
Joined: Feb 2012
Posts: 294
Southampton UK
P
Peter Gascoigne Offline OP
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Peter Gascoigne  Offline OP
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Joined: Feb 2012
Posts: 294
Southampton UK
Thank you for that Allan.


1971 BSA A65 Lightning "Bitsa"
1966 BSA A65 "Beezuki" with GT550 two-stroke engine
1974 Triumph T150 830cc
1975 Suzuki GT550
1975 Laverda 1000 3C
1986 Yamaha SRX 600
Re: A65 Lightning. [Re: Peter Gascoigne] #729069
03/18/18 7:58 pm
03/18/18 7:58 pm
Joined: Feb 2012
Posts: 294
Southampton UK
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Peter Gascoigne Offline OP
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Peter Gascoigne  Offline OP
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Joined: Feb 2012
Posts: 294
Southampton UK
So it's definitely a 66, just with an odd frame number?


1971 BSA A65 Lightning "Bitsa"
1966 BSA A65 "Beezuki" with GT550 two-stroke engine
1974 Triumph T150 830cc
1975 Suzuki GT550
1975 Laverda 1000 3C
1986 Yamaha SRX 600
Re: A65 Lightning. [Re: Peter Gascoigne] #729108
03/19/18 12:07 am
03/19/18 12:07 am
Joined: Aug 2001
Posts: 4,527
Owego, NY, USA
Mark Z Offline
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Mark Z  Offline
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Posts: 4,527
Owego, NY, USA
Hmm, I posted a reply but I don't see it here. Either I forgot to click "post", or...? Anyway, here it is again:

Just rear of the mounting bolts, there are supposed to be rubber "bumpers" that rest against the frame. The originals were like the oil tank bumpers, with a flange that pops into a hole in the seat pan. Without those, the seat can rock a bit on the mounting bolts, and can break the pan around the weld nuts. In lieu of sourcing the correct parts, you can fashion bumpers out of any firm rubber and tape them to the frame. I use discarded kickstart rubbers, cut to length.


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
Re: A65 Lightning. [Re: Peter Gascoigne] #729145
03/19/18 9:28 am
03/19/18 9:28 am
Joined: May 2013
Posts: 4,956
Rotherham - S. Yorkshire
Allan Gill Offline

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Allan Gill  Offline

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Joined: May 2013
Posts: 4,956
Rotherham - S. Yorkshire
Originally Posted by Peter Gascoigne
So it's definitely a 66, just with an odd frame number?


Definatly a 66 frame. nothing odd about the numbers though, I was under the impression that all 66 bikes were A65T ****, A65L**** etc, least the ones I've seen


beerchug
Re: A65 Lightning. [Re: Peter Gascoigne] #729195
03/19/18 7:30 pm
03/19/18 7:30 pm
Joined: Feb 2012
Posts: 294
Southampton UK
P
Peter Gascoigne Offline OP
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Peter Gascoigne  Offline OP
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Joined: Feb 2012
Posts: 294
Southampton UK
"UNIT A-SERIES
1966 'A' series machines started the season with A50, A50B and A50C frame designations with the usual non-matching engine markings. After frame 3200 the engine and frame markings were the same. There was a short period where the engine marking matched the frame marking but the frame prefix was A50."

There are three possibilities in the above statement,

1. "1966 'A' series machines started the season with A50, A50B and A50C frame designations with the usual non-matching engine markings".
2. "There was a short period where the engine marking matched the frame marking but the frame prefix was A50".
It's not either of these, because the frame number starts A65.

3. "After frame 3200 the engine and frame markings were the same".
It's not this because it's frame 1204.


The above is from the BSAOC site. Both "BSA Twins & Triples" and "BSA Unit Construction Twins" seem to confirm it, and both Lannis and No Name Man think it's wrong. I need to see what Steve Foden says, he issued the Dating Certificate. It's all a bit anal really, and it's not some long lost variation on an A65, or going to increase the value of the bike but I would like to know just to satisfy my curiosity.


1971 BSA A65 Lightning "Bitsa"
1966 BSA A65 "Beezuki" with GT550 two-stroke engine
1974 Triumph T150 830cc
1975 Suzuki GT550
1975 Laverda 1000 3C
1986 Yamaha SRX 600
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