Thames Valley Police is appealing for information after a collision in Milton Keynes on Sunday 18 September.
At about 4.55pm, the rider of a blue Kawasaki motorbike came off his bike at the roundabout of the V8 Marlborough Street and the H5 Portway.
It is unclear at this time if any other vehicles were involved.
The 17-year-old boy riding the Kawasaki sustained minor grazes but did not require hospital treatment.
PC Ian Stevens, from Milton Keynes Roads Policing base, said: “I believe there were other motorists in the area at the time of the collision and I would like to hear from anyone who saw the incident.”
If you have any information about this incident, please contact PC Stevens at Milton Keynes police station via the 24-hour non-emergency number, 0845 8 505 505.
If you do not want to speak to the police, call the Crimestoppers charity anonymously on 0800 555 111.