Two things:
1. Look both ways.
2. Don’t do wheelees.
How about “Slow Down Dufus”.
Speed Limit 35.
He knows because he hit the sign too. heh.
Third thing: don't get on motorcycles. They are unbelievably dangerous, and besides, there are much better alternatives to transportation.
If you cannot suppress your obsessions, stay off the bike
Oh Yes, I'm a biker