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D14B Wiring
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petejem
First Gear User
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March 25, 2021 - 10:03 pm
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The engine is a D14 and the frame is a D7

I have tried getting the thing started but it had a very weak spark which has now disappeared

It has a new coil magneto which has a red lead and a black lead,plus the brass loop for the ht lead.

I have fastened the black lead on the frame for the earth. The red lead i fixed to the points and took the lead down 

to the condensor 

I connected the HT lead to the brass loop.

I have changed the wiring about around the points and I am a little worried about the red lead which seems to be shorting out.

I think the condensor is not working as it should. so i decided to change it

The circuit is very basic i know but the points have been filed to allow it to fit.

As you can tell my limits are pretty bad. 

any help

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Stoo63
GLASGOW
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March 25, 2021 - 10:25 pm
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Hello Peter and welcome to the Club and the Forum Electrics are far and away our commonest issue, so you'll find LOTS of info on the Forum - see below. You're going to need to tell us what electrical items you're using.  Pics will help.

You will find just about everything you could ever want on the Forum via the FAQs and technical sections;  ** Please log in to view **

Have a really good nose around the forum and enjoy yourself. Looking forward to seeing your progress.

Good Luck!

All the best,

Stewart

 '55 D3 Battery; '58 Square Four (project); '59 D1 direct lighting plunger; '59 Tiger Cub; '60 5TA;  '76 FS1-E; '91 GTR 1000;  '97 Honda Sky SGX50.

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stubaker58
Sunny Felixstowe
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March 26, 2021 - 7:39 am
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Hi Pete(?),

could you post a picture of your set up? (You’ll have to get the photo below 1Mb to get it to work).

You day it’s a D14 engine but then talk about a magneto coil.  The D14 did not have a magneto but a separate coil under the seat. Which side of the engine are the points on?

Whichever type of system it is starting with the condenser is wise, they often give trouble.  

If it is a magneto system then the wiring should be pretty straightforward, coil to earth and points with condenser attached to points, ignore (or disconnect) the other coils. Check that the points are clean and flat and that they open and close properly.  The cam could be loose and sometimes the end of the crank whips around too much because the bush in the centre of the stator is worn (replacement is pretty simple).

If there’s still no spark we start to get into deeper water including crankshaft timing and flywheel magnetism but it’s probably something simple. 

Good luck!

“There’s nothing new under the sun”.

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cocorico
Central France
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March 26, 2021 - 7:48 am
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I was just going down the same route as Stubaker. Have a look in FAQs, ** Please log in to view **.

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