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The BSA A7-A10 Forum
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Technical
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Lucas, Electrical, Ignition
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Auto advance unit
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Topic: Auto advance unit (Read 673 times)
Brian
Wise & Enlightened
Join Date: May 2007
Posts: 1699
Karma: 40
Mt Gambier, South Australia.
Auto advance unit
«
on:
09.05. 2011 08:06 »
I picked up a couple of auto advance units in my travels and one of them is a bit unusual.
The one on the left in the pic is the normal type with the retaining ring that presses onto the shaft to hold it together but the one on the right doesnt have the retaining ring. The boss that fits the maggy shaft is one piece. Has anyone come across one like this before and if so how does it come apart ?
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muskrat
Global Moderator
Wise & Enlightened
Join Date: Jul 2009
Posts: 8023
Karma: 106
Lake Conjola NSW Oz
Re: Auto advance unit
«
Reply #1 on:
09.05. 2011 10:28 »
Gee Brian if it's got you stumped!!! Never seen one like that.
Cheers
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'51 A7 plunger, '57 A7SS now A10CR, '76 XT500, '77 AG175 '83 CB1100F, '81 CB900F project.
Australia
Muskys Plunger A7
A10Boy
Wise & Enlightened
Join Date: Jun 2008
Posts: 1075
Karma: 11
Solihull, Near Birmingham England.
Re: Auto advance unit
«
Reply #2 on:
09.05. 2011 12:18 »
Brian
Are you sure its not there and just been turned down which has hidden the "join" ? There is a faint mark although its not clear in the pix.
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Regards
Andy
1960 A10 - Black Golden Flash
Plus
1974 Kawasaki Z1a
Yam XJR 1300
Brian
Wise & Enlightened
Join Date: May 2007
Posts: 1699
Karma: 40
Mt Gambier, South Australia.
Re: Auto advance unit
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Reply #3 on:
10.05. 2011 01:43 »
Andy you could be right. I just had a look, with my glasses on this time, and it does look like there is a visible ring around it. I will make a drift and give it a smack and see if it moves.
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The BSA A7-A10 Forum
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Technical
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Lucas, Electrical, Ignition
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Auto advance unit