A 35 year-old motorcyclist is fighting for his life after being struck by a vehicle in Sheepshead Bay, police said.

The victim was driving his Yamaha Warrior motorcycle northbound on Macdonald Avenue near Avenue U when a vehicle attempted to make a left turn and struck him around 7:10 a.m., according to police.

“I didn’t see him, I never saw him,” the driver, a woman in her 60s, told investigators at the scene, according to sources.

The man was rushed to Lutheran Hospital with head trauma and was listed in serious condition, authorities said.