Maintenance & Technical > KX500 Original

Lighting coil for 5 hunny

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Rick:
Your number plate with a light should have room between the tripple clamp and the light to build a small box out of aluminum.  Take a look at the different size bateries at the KTM dealer and select the one that will fit the best.  Another option is to build a small box inside your airbox.  Since your speeds are so low, air supply should not be an issue.

KXcam22:
I found a procedure (with pics) for making your own lighting coil for an XR100. It look straightforward.  Should be the same for the KX provided the stator frame is similar. I can post it if anyone is interested. Cam.

mikesmith:
Post it,cant ever have enough information.

Rick:
I agree, post it.  I used information from a 1959 cushman to help me figure out how to build a lighting coil.  That system was 6 volts and required about 160 wraps, so I surmised that if I double the wraps I would get 12 volts.  It worked.  

However, the tough part is the iron core.  Fortunately, I had a burned out stator, so I removed all of the wire and rewound the core with 20 guage magnet wire.  The whole process was trial and error.  I would be interested in seeing the core material information.

Rick

KXcam22:
I couldn't figure out how to post the .html article (with about 12 pics), without taking it all apart.  It is quite detailed. Any ideas on an easy way. I can't find the source link anymore.

Here is a second link that might be useful.
http://www.xr650r.us/stator/

Cam.

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