A 54-year-old man was grievously injured on Tuesday afternoon in Gudja.
The police said the accident was reported at 1.30pm at the Dawret il-Gudja.
The man, from Dingli, was driving a KTM 390 Duke when he lost control of the vehicle and fell.
A medical team assisted the man before he was taken to Mater Dei Hospital via ambulance. Police later certified that he sustained grievous injuries.
Police investigations are ongoing.