This build started in a rather inauspicious way....
Originally, I wanted nothing other than a KTM 950/990 Adventure. I decided I needed to try to sell some stuff to raise money for a KTM, so I decided the XL was going to go onto Craigslist or eBay. I pulled it into the shop to freshen it up for sale, and much to my surprise it DID NOT start. (It used to run fine). I discovered it had no spark, and in the process of trying to diagnose that I opened the cover plugs on the stator cover and was surprised to see oil in there. I assumed that this was wrong, so I pulled the engine and popped off that left engine cover, only to see factory-drilled holes in the left case-half which allow oil into the stator chamber. Confused, I joined ADVrider.com and started posting questions.
I started reading posts in the XL600 thread, and at some point while reading all this, I simultaneously realized I could not really afford a KTM and also re-kindled my previous love for the old Honda.
So diagnosing a no-spark situation in order to sell the bike quickly transformed into a frame-off rebuild!