Here's a shot of mine. If you already have the wiring for it, it truly is a snap. Just wire up some connectors so you can still remove the "dashboard" if you want. It took me like an hour just to swap out the little wiring harness that connects to all the dash lights, after that it was a snap!
Special thanks to Steve Sixmill!! Without that wiring harness, it woulda been an interesting job trying to hook up to the coil!!
I didn't use the handlebar mount. I bent a small piece of aluminum and then just screwed it to the bracket on the back of the tach, no problem. Looks pretty good, altho someday when I get better with my metal working/polishing skills, I may do it up differently. Cleaner.