Yard Shark – Dogs that come out of nowhere and try to bite your tires.
(ok, maybe not this dog)
Yamahahog – A Yamaha that some one made to look like a harley chopper (raked, big front wheel ect.)
Yamahadog – Name for a Yamahahog rider, but the bike is more of a “rat” bike.
Yamahaharley – Japanese bikes that look like Harleys (eg. Kawasaki Vulcan Classic )
Yamahammer – Yamaha
Yamahauler – A truck or trailer that is hauling a yamaha
Yard Shark – Dogs that come out of nowhere and try to bite your tires. Caution: Can cause motorcycle crashes, handle this type of situation with care.
Yoke – Hollow tube that makes up the very front of the motorcycle frame and sits between the steering shaft and the triple-tree. It is the pivot point of the steering column.
Yoshi – Yoshimura. A Japanese manufacturer of after-market parts most noteably known for their exhaust systems.