magnet adjustment 17a

sweman
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15 years 5 months ago #23239 by sweman

magnet adjustment 17a was created by sweman

HI!
wondering how can i adjust the ponymagnet on my D7 17a , its a wico 7H 6866, I have finely got the pony to run but it does not go on full speed and also backfires, I have done as the instuctions says with a bult in the hole in gearbox and the mark is right in the pony there you put down magnet.

thankfull for answers
Tomas

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Old Magnet
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15 years 5 months ago #23247 by Old Magnet

Replied by Old Magnet on topic magnet adjustment 17a

Seems like you have the timing correct....more likely a carburetor/fuel problem.
Who's spark plugs are you using and are you using solid wire core spark plug leads?

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sweman
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15 years 5 months ago #23284 by sweman

Replied by sweman on topic magnet adjustment 17a

Hi!
Thank you!
I put in new gasoline because it woldn't go at all on the old one, and yes it's solid wires, but the sparkpluggs are probably not the right one, any idea what can i use? i'm now cleaning the carburator so let's hope it will woorks now.

tomas

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Old Magnet
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15 years 5 months ago #23287 by Old Magnet

Replied by Old Magnet on topic magnet adjustment 17a

If it has Champion plugs get rid of them and see if you can get NGK's.
A-6 if they are 18mm or BP-4 if 14mm. It's getting harder to get the right plugs as they should be the non-resister type.

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quinq
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15 years 5 months ago #23290 by quinq

Replied by quinq on topic magnet adjustment 17a

Old Magnet, What would be the NGK# for a D4 6U pony?? Could you fill me in on the difference you find in the different brand plugs?

Thanks for your time, quinq

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Old Magnet
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15 years 5 months ago #23295 by Old Magnet

Replied by Old Magnet on topic magnet adjustment 17a

quing,
Same two numbers for all the pony motors using NGK plugs......Autolite plugs are also OK.....haven't experimented with others.
Vintage Champions were good......ran H10's in flathead fords as long as I can remember but current production since about the late 60's are garbage.

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sweman
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15 years 5 months ago #23522 by sweman

Replied by sweman on topic magnet adjustment 17a

Hi!
Wroooooooooom tjohoooooo , now D7 runs again, I had changed one cog under the magnet, and thank you for the tips about the sparkplugs ,i buy new ngk pk-4 and it works good.

Thanks for all good advice.

Tomas

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