Had good spark today when I pulled the plug.
So put it back in and just stood on the starter for a few minutes and she lit right up.
I had drained the fuel and replaced with fresh so knew it would take a bit to get down there.
So - my trouble ended up just being a broken wire in the plastic connector off the ignition switch - the red wire in my case.
Have a brand new rectifier still in the box if anyone needs one for say $60 plus shipping.
I paid $89 plus shipping off ebay.
Otherwise i'm just gonna throw it in my 4-wheelers tool box for a spare.
Funny how if you read my first post I had a good idea what the problem might be (and was in the end) but spent all that time troubleshooting other stuff lol.
All in all - 15 hours of my time versus prolly $400 at a stealership - and I know the electrical system on this thing (and a lot more stuff) from front to back, not such a bad deal and got some other little things fixed i'd been meaning to.
Alls good and deer season starts in 6 days