JAP 4/3 magneto
2 posters
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JAP 4/3 magneto
I'm getting my JAP 4/3 ready for a start up over the coming weekend. The mag has been cleaned and refitted in readiness and the impulse is working fine One thing however is causing me concern - I have a nice fat spark at the plug, but I also seem to have a nice (or nasty) spark at the points. I've set the points to 15 thou and all looks good so far, but shouldn't there be a condenser in here somewhere?
The mag in question is a Wicpac CJ936. Any help appreciated.
Steve
The mag in question is a Wicpac CJ936. Any help appreciated.
Steve
TomCat- Born to be wild
- Posts : 40
Join date : 2013-06-19
Age : 68
Location : Lympne. Near Hythe. (Kent)
Re: JAP 4/3 magneto
Hi there,
Had a look at mine but both are on air cooled engines and would have to either remove the mag or the cowl to get their covers off! So I had a rat in the spare mags box and found another.
Please excuse it's condition (ie as found).
Assuming yours is similar ie a WIPAC CJ 1398;
It looks like the capacitor is in that bottom cylindrical hole, possibly under the bolt/contact thing.
with the cover off;
at an angle with the cap and wire marked;
Hope I have figured out how to post images, seems very complicated!
cheers
Darryl
Had a look at mine but both are on air cooled engines and would have to either remove the mag or the cowl to get their covers off! So I had a rat in the spare mags box and found another.
Please excuse it's condition (ie as found).
Assuming yours is similar ie a WIPAC CJ 1398;
It looks like the capacitor is in that bottom cylindrical hole, possibly under the bolt/contact thing.
with the cover off;
at an angle with the cap and wire marked;
Hope I have figured out how to post images, seems very complicated!
cheers
Darryl
Darryl Ovens- Expert
- Posts : 64
Join date : 2013-12-04
Location : New Zealand
Re: JAP 4/3 magneto
Thanks Darryl, your info and pics are much appreciated. I have now fitted a condenser from an old type Mini that I found in the garage (still in the original box), I mounted it under coil holding bolt, extended the wire a bit to reach the points and the engine is now running.
I'll have a look in the place where your pic shows the original and see if I can get the stop button to work somehow as I have no way of stopping the engine at the moment other than shorting the plug to the cyl head.
Thanks again.
Steve
I'll have a look in the place where your pic shows the original and see if I can get the stop button to work somehow as I have no way of stopping the engine at the moment other than shorting the plug to the cyl head.
Thanks again.
Steve
TomCat- Born to be wild
- Posts : 40
Join date : 2013-06-19
Age : 68
Location : Lympne. Near Hythe. (Kent)
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