Many cities have it so a person can register their bicycle at the police department at no cost because of bicycle theft.  I think it would be a good idea if someone registered their bicycle before they put the engine on it.  That way they could have a better case of saying it is a bicycle.
	
		
			
		
		
	
				
			 
	
 
 
		 
 
		 
 
		 
 
		