What's the most dangerous part of a motorcycle? The nut that connects the seat to the handlebar.

My girlfriend, Ruth, fell off the back of my motorcycle. I rode in, ruthlessly.

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Did you know that modern sport bike tires don’t contain any natural rubber? The tread of a tire is composed of synthetic rubber, which has been compounded to give a compromise between durability and traction.

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Humble Beginnings: The very first Harley-Davidson motorcycle used a tomato can for a carburetor.