Here's my listing for the Honda replacement springs from a newer model machine.
https://www.ebay.com/itm/NEW-Pair-of...cAAOSwa-dWsCAo
If it's ticking pretty bad after the springs are installed, you might need a timing chain. There's instructions on how to tighten it up in the
service manual, basically loosen the nut on the crank case to let it move and tighten back up. Once the chain wears too much it will run out of range to tighten it more and the chain has to be replaced.
For the harness stuff, I do make new replacement harnesses. For the ATC200/ATC200S models I charge about $75. I'll be a little slow getting it done if you want me to make one though because I just had surgery.
Besides the ticking, sounds like the engine is running pretty healthy.