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A7 & A10 Engine
A7 1946-1950
Gearbox, Clutch, Primary
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Lucas, Ignition, Charging, Electrical
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The BSA A7-A10 Forum
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Technical (Descriptive Topic Titles - Stay on Topic)
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Lucas, Ignition, Charging, Electrical
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Ignition timing/magneto problem
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Topic: Ignition timing/magneto problem (Read 5340 times)
chaterlea25
Wise & Enlightened
Join Date: Jun 2009
Posts: 4130
Karma: 54
Re: Ignition timing/magneto problem
«
Reply #15 on:
10.08. 2010 10:10 »
Hi All,
Redbeeza, Did you drain off the old petrol and refill with new? your symptoms sound very like bad petrol!!!!
Yes a piece of broken brush in the mag will cause all sorts of misfiring (ask me how I know)
An air line will blow out the loose piece with the pickups removed
I set the timing on the recent rebiuld ally headed A10 with flat topped pistons and a 356 cam at 34 degrees
its running really sweet,
After I set the timing with the degre disc I make a piston stop (see old topics) so as the timing can be reset or checked whenever
HTH
John O R
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1961 Super Rocket
1963 RGS (ongoing)
ian davies
A's Good Friend
Join Date: Oct 2009
Posts: 53
Karma: 0
Re: Ignition timing/magneto problem
«
Reply #16 on:
03.10. 2010 18:10 »
Hi redbeeza. I wonder if you got the A10 running yet, Can i just suggest you buy a timeing tool, i got one from SRM 5 quid money well spent, does away with all the guessing llspeeds up reassembly and you know its right. All the best, Ian
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ian davies
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The BSA A7-A10 Forum
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Technical (Descriptive Topic Titles - Stay on Topic)
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Lucas, Ignition, Charging, Electrical
»
Ignition timing/magneto problem