POLICE are investigating a fatal crash in Koo Wee Rup this morning (Tuesday, May 11).

Emergency services were called to South Gippsland Highway near Sybella Avenue to reports a motorcycle had crashed about 6.25am.

Passers-by performed CPR on the male rider, however, he sadly died at the scene.

The exact circumstances surrounding the crash are yet to be determined and investigations are ongoing.

Police will prepare a report for the coroner.

Anyone who witnessed the crash or with dash cam footage is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report via crimestoppersvic.com.au.