Posing as a buyer, the youth in his mid-twenties went out on a test drive with an employee of the showroom's owner as pillion rider.
After a brief test drive, the youth asked the employee to get down as he desired to have another test drive on a kachha road.
While doing so the man never came back with the costly motorbike on Saturday. As the youth remains untraced, the dealer has announced a cash reward of Rs 50,000 for person(s) giving information about the new 180cc bike priced at Rs 78,000, police said.
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