Kz750 Burnt electrical components

Hi all

I've noticed on the wiring harness I was given for my project '82 kz750h that a few section of black w/ yellow tracer and the white w/red section coming off of the regulator/rectifier as well as the four pin connector coming from the points and a couple others are burned/bubbled up/slightly melted. I've peeled back the tape and for the most part the harness is in fine condition. What could have caused this? Are there any particular components I should test/replace?

Any help is very much appreciated

IMHO all from loose/bad connections, the wires you describe are 12v+ and 12v-.

I have seen worse than yon mention, fuse block so hot the fuses would fall out.

If you find you need to replace connectors below are links to a few places that sell them for bikes. Also, you can wrap the wiring loom or secure the ends of the old tape on the loom with F4 tape. It is a non-adhesive self-fusing silicone tape. This stuff sticks only to itself when stretched and it stays put, but it has no adhesives to turn gooey when exposed to heat and time. It insulates and is not affected by heat, and since you stretch it to activate it, one roll goes a long way. Because it sticks only to itself it works on anything and can be removed without making a mess. I have used it for a variety of applications and it works GREAT! It is available on Amazon and eBay. Once you use it you will never go back to using electrical tape again. Ed

www.f4tape.com/
www.amazon.com/s/ref=nb_sb_noss_1/159-04...eld-keywords=f4+tape

www.cycleterminal.com/250-connectors.html
hvccycle.net/electrical-connectors-wire/
www.easternbeaver.com/Main/Elec__Product...tors/connectors.html
vintageconnections.com/