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Messages - b31newbie

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British Bikes / Re: b31 ignition
« on: July 29, 2009, 09:45:20 AM »
Can you advise how to get the armature out?

I do have a BSA service sheet book, but it doesn't seem easy to understand (for me, I'm sure) do I need any special tools?


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British Bikes / Re: b31 ignition
« on: July 28, 2009, 07:28:43 PM »
OK thanks.
So, if it's a common fault, does it always show itself in this way?

Looking at the prices of electronic conversion kits, it seems alot more expensive to do that, rather than repair the original.

Would it be better to remove the magneto myself and send it off to be repaired, or would it be better to take the whole bike in somewhere?
And by better, I suppose I mean cheaper, or having a better job done.
Would anyone have any advice of where to send it, as I presume that will be the better choice?

L.A.B thanks for the info on the petrol tap, I got it sorted straight away. One thing you can say for these old brit bikes, is that they are built solidly and everything on them is able to be rebuilt without throwing anything away. A refreshing change!

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British Bikes / Re: b31 ignition
« on: July 25, 2009, 03:35:36 PM »

Thanks for replying.
As far as I understand it, it has a magdyno fitted, nothing has, as far as I am aware, been changed from std.

Yes when it cuts out, there is no spark or a weak spark. When someone played with it for me, who knew more than I did, he managed to get it going by mucking about with the points. But there seemed to be nothing wrong with them in the first place tbh.

I'm more than happy to learn, but I can't go from standing to 100 mph in a week  :) much as I'd like to.

Btw, when I just was trying to start it, the petrol tap started leaking, it's actually coming from the slot that the push/pull lever goes through, does this mean it is a new one needed, or if I take it off, can it be fixed?


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British Bikes / b31 ignition
« on: July 25, 2009, 10:19:13 AM »
Hi

I've just joined and am new to old bikes. I've had a 1950 b31 for a little while and it seems to have a problem with the points that I can't work out. It runs for a while (10 miles ish) then cuts out. Leave it to cool down and it's fine again.
I'm wondering whether it would be better to just change to electronic ignition and just sort the whole thing out for once and all.
It runs on 6 v electrics with + earth.

Can anyone advise on which ignition system to buy, because it seems a bit of a minefield to someone as inexperienced as me. And I don't want to pay someone to do it, I want to do it myself.
Thanks and hello  :)

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