Eyewitness News has exclusively obtained the video which shows the moment the crash happened and is being used as part of the police investigation.
In the footage, the officer is seen flying off the motorcycle, flipping end-over-end and landing on the pavement.
Bystanders rushed to his side to help.
He is expected to recover, but is still in the hospital with serious injuries.
The driver of the SUV was also taken to the hospital for an evaluation after the crash on Friday morning.
It occurred on Van Nuys Boulevard just north of Vanowen Street.
No word yet who is at fault.