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Brent’s Swiss/Kiwi D1
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BrentK
6023 Rothenburg, Switzerland
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March 17, 2019
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March 23, 2019 - 1:43 pm
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Hi there,

Here we go...... 
Background to my son and mine's project can be found on the intro page here: (so I dont have to write it again 🙂 )

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Thanks to the diligent work of ** Please log in to view ** I now know I am in possession of a 1952 D1 Bantam with a sprung frame and Wico Pacy electrics.

Thanks again swalsh58, you do a great service to this site!

So... current status is, we built a makeshift holding frame for the motor this morning to make work a bit easier.
The motor is turning over fine , the gears are working and not jammed or anything, but no spark!

So we cleaned the points and readjusted them (as good as I was capable.... never done this before 🙂 ) I only had a metric space ruler so used 0.4mm. Also reclamped the cable connector to the sparkplug.

In the process of fiddling in the beginning I took off the cam screw (which i discovered later was not necessary) and in the mean time it seems to have dissappeared into that well known "big black hole of missing parts never to be found again even though your'e sure you put it into a container of removed parts...."

Anyway anyone know offhand the screw type for a replacement? If not I try and find some spare parts documents... or a link to spare parts catalogue would be good too.

Fixed sparking? Unfortunately not. I did get a couple of sparks (new spark plug by the way) but irregular and defintely not how it should be.

So who has some experience on this and can tell me where I should start looking first? Condensor? Look forward to any helpful comments. 

Current restoration project: 1952 D1 Bantam with a sprung frame and Wico Pacy electrics.

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cocorico
Central France
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March 23, 2019 - 4:57 pm
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I think that the cam screw is 3BA, but can't confirm it. The cam is held by a tiny key, which is easily lost if you are not aware of it, so the cam could have moved, though it's usually pretty tight on the shaft. You should still get a spark though, so if not it could be the condenser.  Try putting condenser and d1 ignition in the search I gave you in the intro. You also need to find a suitable piece of felt to lubricate the cam - it fits in the two cast lugs about 2 O'Clock from the cam.

1956 D3 awaiting a new magneto. 7 other bikes in the Barn, 6 runners and a still in progress Morini 250

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wildun
Lincolnshire.
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March 23, 2019 - 9:43 pm
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In reply to your post, some links for you.

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These links are to two Bantam parts suppliers here in the UK, there are others but these are my personal choices.

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Regards.

1951 Bantam D1 125, 1954 Bantam Enduro, 1970 Bantam B175, all Bantams on the road and ridden regularly, 1995 Yamaha Diversion 900 and 2016 Honda Integra 750 scooter. Horses for courses, all very different to each other, but a bike for every occasion.

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BrentK
6023 Rothenburg, Switzerland
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March 24, 2019 - 8:30 am
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Thanks for your replies,

I will try by replacing the condensor then.... just ordered.

@cocorico .... the felt that you mentioned.... how does a piece of felt lubricate? I can see where it is missing from your discription, but don't understand how that would work. would the felt need oil on it to lubricate?

Current restoration project: 1952 D1 Bantam with a sprung frame and Wico Pacy electrics.

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sunny
Norfolk
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March 24, 2019 - 9:13 am
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hi Brent   the  1952    geny     has  spec  no  1130    its  used   with or  without  a  batery   yours  has  a wier   from  post no 3  to  post no  2  on  the  lefthand side    so  it  was   used   WITHOUT   a  batery    ,.,. the spark plug   seting is   018 " thow   and  NO   s/plug  resister    cap  shoud  be fited  to the   H T lead   ,the  points  gap  is  012" thow      ,the  Oilite  bush   &  CAM  are  fed   with OIL  from  the  FELT  PAD above    you   skwez  the  new  felt  in  a  vice  or  pliers    to  load it  into  the  2  aloy  prongs   with  your  fingers  only     then  oil  the  pad   if  you  can  P/ M  me   for my  adress   i will  send  you a   FELT   PAD   no Charge  

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