This was not all for nought. Thanks to all your ideas, I mixed some powerband fluid with some old pre-mix, dumped it into my EXC (which wouldln't run by the way) and ran it right through the garage door--CLOSED!
Talk about power! I'm headed toward the patent office.
I know most of us aren't real professional mechanics, but I'm surprised (and a bit ashamed myself) that no one mentioned the dual hydroscillators, and what about the 6-7 dual over/underhead hemi? C'mon folks, put on yer Thinkin' Caps!!!!!
Also an afterthought from lots of experience, it never hurts to check out the nut holding the handlebars.
And NEVER forget to change out the winter air in the tires with fresh summer air. If you run too crisp of air in the tires, all hell is bound to brake loose.