Disclosed is a vehicle consisting of a bike frame having front and rear forks, a front wheel attached to the front fork, a rear wheel attached to the rear fork, and a drive train including a crank attached to the frame, a chain ring assembly attached to the crank, a cog assembly attached to the rear wheel, and a first endless chain coupling the chain ring assembly to the cog assembly. An engine having a drive element is attached to the frame between the front fork and rear forks. A drive gear assembly is attached to the frame, a second endless chain couples the drive element to the drive gear assembly, and a third endless chain couples the drive gear assembly to the chain ring assembly.

 
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> Motorized scooter

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