There are some great ones listed.
My favorite:
Quote:

Triumph: You're Probably Not Worthy




This one
Quote:

For a parallel twist on a slanted universe


is great too, but requires way too much thought for the HD & Clone crowd.

There was a slogan for navy hospital corpsmen that I always liked, Trust me with your life, but not your money or your wife .


Ride Safe, Dennis Triumph, it's how I live and what I ride.