Police are investigating a collision which occurred in Kingsville on Thursday, 16 March.
Police said a car and a motorcycle collided just past the intersection of Geelong Road and Geelong Street at about 8.15am.
The male rider of the motorcycle was taken to hospital with life-threatening injuries.
The driver of the car was not injured and stopped at the scene.
Investigations into the exact cause of the collision are ongoing.
Details: www.crimestoppersvic.com.au or 1800 333 000