renos-a10
A's best friend
Karma: 4
Posts: 117
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« on: 28.03. 2011 08:39 » |
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Goodmorning all
I believe that i have problem with my magneto.So i need you light.
I make restore my BSA a10 from the begining ( engine - frame etc.)
I start the engine and all was find.I take a ride and i stop for relax.
The engine didn't start. I check the fuel and all was ok.
I charge the spark and that's it. But this problem is come again and again.
I believe that problem ..... magneto.What you believe?
Thanks in advance
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1960 BSA A10 Swinging Arm
1955 Matchless G3LS
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MG
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« Reply #1 on: 28.03. 2011 09:48 » |
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Hi renos!
Sounds like a faulty condenser. Does it work again once the mag has cooled down?
The condenser is located inside the armature, so that has to come apart. Once you are at it, I would also have the armature rewound. Not cheap, but when done properly, it will last for ages.
Cheers, Markus
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1955 A7 Shooting Star 1956 A10 Golden Flash 1961 Matchless G12 CSR "Upon seeing the shadow of a pigeon, one must resist the urge to look up." (Confucius)  Austria |
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renos-a10
A's best friend
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Posts: 117
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« Reply #2 on: 28.03. 2011 10:06 » |
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yes . it work again when cooled.
You believe that my mg need rebuild?
thanks
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1960 BSA A10 Swinging Arm
1955 Matchless G3LS
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Pete Gray
A's best friend
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Posts: 100
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« Reply #3 on: 28.03. 2011 10:36 » |
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I had what sounds to be a similar problem on mine soon after it had been rebuilt.
It had run really well for a few miles then suddenly became erratic and wouldn't keep running.
I took the Mag back to the repairer (FTW in Sheffield) and on test they found that the head of the points securing screw was touching, or very close, to the cam ring causing a short. A replacement screw and the problem was solved.
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Pete
1961 Swinging arm A7
2000 BMW R1100R
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lawnmowerman
A-Clairvoyant
Karma: 6
Posts: 304
1959 Super Rocket. Kent, England
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« Reply #4 on: 28.03. 2011 10:39 » |
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The mag is the heart of the engine and causes all sorts of obscure problems when playing up. It is not cheap to get a recon and rewind but the best money I have ever spent on my bike.
Make sure that you go to a reputable mag rebuilder.
Jim
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1959 A10 SR 1938 Wolseley 14/60 Too old to Rock and Roll but too young to die (Jethro Tull 1976)  |
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renos-a10
A's best friend
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Posts: 117
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« Reply #5 on: 28.03. 2011 10:56 » |
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Thanks all for you help.I think that my mag need rebuilt and i wiil make.
Thanks again :)
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1960 BSA A10 Swinging Arm
1955 Matchless G3LS
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wilko
A-Clairvoyant
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Posts: 315
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« Reply #6 on: 28.03. 2011 20:47 » |
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In forty years of Brit bikes, i've only had one mag to break down in this manner. At the moment i've been running a 60 year old mag i bought for 40 dollars for 6,000 miles. They aren't as fragile, including the condensor as people insinuate. There are plenty of other reasons for this symptom.Other people are always ready to spend your money on an expensive mag rebuild.
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Triton Thrasher
Scotland
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« Reply #7 on: 28.03. 2011 22:15 » |
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The engine didn't start.
I understand that. I check the fuel and all was ok. Did you try using the tickler button, even with a warm engine? Did fuel run out of the carburettor? I charge the spark and that's it. I do not know what that means and I would almost bet money nobody else does either. Try to explain it differently. |
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kiwipom
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« Reply #8 on: 29.03. 2011 01:32 » |
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hi tt/guys,probably "changed the spark plugs" you get used to deciphering gobble de goop after a few forums,cheers,Bob
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A10.G.Flash(cafe racer)Honda 250 vtr. Yamaha Virago XV920.
War! what is it good for?Absolutely nothing, Edwin Star.
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selva
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Posts: 14
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« Reply #9 on: 29.03. 2011 03:05 » |
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Hi Guys..
i have faced same Problem before with my bsa a7.
Whn the engine cooled its easy to start.. but when stop riding,,,
and start again while the engine hot .The engine didn't start.
i got an advice from local old chef. he advice me to change the condenser.
i ordered the condenser frm
PETER SCOTT MOTORCYCLES
44 RAVEL STREET, SEVEN HILLS2147
PH:96241262
EMAIL:QUALMAG@ALPALINK.COM.AU.
after change the condenser i have solve the problem.
the part number for condenser
400v-/220v-MP
40/070/56
hope this will help you renos-a10
cheer steven
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BSA A7 RIGID 1947(XA7 1352)
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renos-a10
A's best friend
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Posts: 117
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« Reply #10 on: 29.03. 2011 09:51 » |
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Good day guys...
I take out the mag and check it but evrything was ok.May be the problem is that one srew is too close.So i fix this and come back again
Thanks all for a moment
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1960 BSA A10 Swinging Arm
1955 Matchless G3LS
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muskrat
Forum Oracle
Karma: 25
Posts: 1880
Lake Conjola NSW Oz
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« Reply #11 on: 29.03. 2011 11:09 » |
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G'day Selva, PS is the MAN down here for magies and dynamos. He was pretty quick on his Rudge as well. Wilco, you lucky bugga, most magies have been WORKED on by ham fisted fools. TT, I thought Renos was getting better. My Grandad was a Scott, couldn't understand a word he said  Renos, which screw? Not the one holding the handle bars I hope Cheers |
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Only young once, immature forever. Now how can I make this go faster. '51 A7 plunger, '57 A7SS now A10, '71 A65 Lightning (gone to god) '76 XT500, '83 CB1100F, next project a '64 A65.  |
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renos-a10
A's best friend
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Posts: 117
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« Reply #12 on: 29.03. 2011 14:09 » |
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Sorry guys .... my english is bad.But i try to explain what happen with my baby.
TT when i said '' check the fuel '' ( i take out the carb , clean it , replace new gasket ...etc )
And when i said '' change spark '' ( replace new spark plug ) beacause the spark plug was burn.
Now i hope you understand me.
Muskrat the screw holding the ignition coil
Thanks anyway all for you help
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1960 BSA A10 Swinging Arm
1955 Matchless G3LS
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selva
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Posts: 14
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« Reply #13 on: 30.03. 2011 03:07 » |
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*smile*G'day. Guys.. hope everthing fine cheer steven selva  |
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BSA A7 RIGID 1947(XA7 1352)
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selva
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Posts: 14
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« Reply #14 on: 30.03. 2011 03:22 » |
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hi guys,  its new replacement condenser for magneto from PETER SCOTT MOTORCYCLES 400v-/220v-MP 40/070/56 cheer stevenselva |
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BSA A7 RIGID 1947(XA7 1352)
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