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#698784 - 06/17/17 10:59 am A65 ignition wiring help please  
Joined: Nov 2006
Posts: 21
hopski Offline
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hopski  Offline
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Joined: Nov 2006
Posts: 21
WALES
Hi guys, I'm rebuilding a 1969 A65T from basically a box of parts. I've got the engine in the rolling chassis at last and about to start the wiring. I thought I had everything I needed until I looked at the A65 parts book (1969) and saw there is a small capacitor unit in the ignition circuit, basically looks like two capacitors attached to a base and enclosed by a rubber cover and sits on the frame under the seat.

I don't have this and can't find one anywhere. Is there a modern work around? and what does it do?

thanks in advance guys.

ps my mates 1967 A65L doesn't have one although he has Boyer electronic ignition.


BSAOC South West Wales Member
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#698785 - 06/17/17 11:18 am Re: A65 ignition wiring help please [Re: hopski]  
Joined: May 2004
Posts: 3,487
BSA_WM20 Offline
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BSA_WM20  Offline
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Joined: May 2004
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Sydney Australia
They are the ignition caps used for the points.
Took BSA a while to understand that a hot shakey oily place is not a good spot to locate a cap.
If you have fitted an elactronic ignition they are no longer required.
If you are still running points they are required.
Ask and I am sure there will be some one close to you with one sitting in a box since they fited their Boyer/ pazon/ etc.


Bike Beesa
Trevor
#698786 - 06/17/17 11:23 am Re: A65 ignition wiring help please [Re: hopski]  
Joined: Sep 2008
Posts: 327
TT John Offline
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TT John  Offline
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Whitstable England
The two capacitors are mounted in a rubber cover and are connected to the + side of each coil and one also goes to +, so you have four wires from the + side of the coil, one each to the caps the other two down to earth.

Hope this helps TTJohn

#698787 - 06/17/17 11:23 am Re: A65 ignition wiring help please [Re: hopski]  
Joined: Dec 2004
Posts: 8,706
kommando Online content
kommando  Online Content


Joined: Dec 2004
Posts: 8,706
Scotland
It will be similar to the one used on the Commando

https://andover-norton.co.uk/en/shop-drawing/13/basic-electrical-components

[Linked Image]

Inside are the 2 condensers for the points, so you only need them if you are staying with points, fit IE and they are redundant.

As you can see only the condensers seem to be available, the mounting plate 40 and the rubber cover 39 will only be NOS or used.

http://www.ebay.co.uk/itm/LUCAS-CONDENSORS-TWIN-PACK-/201956062288?hash=item2f0584f450:g:9pIAAOxy4fVS~48Y




Last edited by kommando; 06/17/17 11:27 am. Reason: added 39 and 40
#698800 - 06/17/17 1:30 pm Re: A65 ignition wiring help please [Re: hopski]  
Joined: Aug 2001
Posts: 4,095
Mark Z Offline
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Mark Z  Offline
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Posts: 4,095
Owego, NY, USA
On '68-'70 A65, the condenser two-pack is mounted to a flat frame piece that runs diagonally across over the oil tank, under the seat.

There are only two wires to the condenser pack, one from each coil (+). They are grounded to the frame through the mounting bracket.

I think these condenser two-packs are available SOMEwhere, at least on this side of the pond. Right, you don't need them if you have electronic ignition. You may want to consider that, espectially if your auto advance unit and/or breaker assembly is not in good shape. Replacing those parts can be more expensive than installing an EI.


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
#698809 - 06/17/17 3:04 pm Re: A65 ignition wiring help please [Re: Mark Z]  
Joined: Nov 2006
Posts: 21
hopski Offline
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hopski  Offline
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Posts: 21
WALES
Wow, great information guys. Now I know they are condensers I can do another search. Also thanks for the info on correct way to connect to the coils. As you can tell I'm an A10 guy and not used to fancy electrics, give me a magneto any day.


BSAOC South West Wales Member
#698844 - 06/17/17 10:28 pm Re: A65 ignition wiring help please [Re: hopski]  
Joined: Jan 2014
Posts: 3,131
NickL Online content
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NickL  Online Content
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Joined: Jan 2014
Posts: 3,131
Aus
Dees'el fitter

http://www.ebay.com.au/itm/TRIUMPH-HERALD-VITESSE-TR2-TR6-2000-LUCAS-45D-IGNITION-CONDENSER-GSC111-DCB101C-/282485726771?hash=item41c5761e33:g:nTAAAOSwwbdWMPp2http://www.ebay.com.au/itm/TRIUMPH-HERALD-VITESSE-TR2-TR6-2000-LUCAS-45D-IGNITION-CONDENSER-GSC111-DCB101C-/282485726771?hash=item41c5761e33:g:nTAAAOSwwbdWMPp2




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