Police are appealing for information following a crash on the A947 in Aberdeenshire.
The incident happened just over one mile north of Oldmeldrum on the “Tullo Straight”, about 7.25pm on Wednesday last week.
The collision involved a grey Leximoto Michigan motorcycle and a silver Audi A3 and resulted in the 19-year-old male motorcyclist sustaining serious but non-life threatening injuries.
The driver of the Audi was uninjured.
Sergeant Peter Henderson of the Road Policing Department said: “Our inquiries have established that a light coloured van stopped at the scene. We have not yet spoken to the occupant of this vehicle.
“If you were the driver or a passenger in this vehicle, or know who they are, I would urge you to contact on 101 quoting incident number 3657 of November 6.
“Anyone else with information who has not yet spoken to a police officer is also asked to get in touch.”