The Forensic Crash Unit is investigating a serious motorbike crash in Maroochydore last night, 6 November.
Around 10.15pm, a Yamaha YZF-R7 LA was travelling east on Maroochydore Road when it hit a road sign.
The rider, a 19-year-old Buderim man, was transported to hospital with life-threatening injuries.
Police are appealing to anyone who witnessed or has relevant CCTV or dashcam vision of the crash, or the black motorbike in the Maroochydore area prior to the incident, to come forward.
Investigations are ongoing.
If you have information for police, contact Policelink by providing information using the online suspicious activity form 24hrs per day at www.police.qld.gov.au/reporting.
Report crime information anonymously via Crime Stoppers. Call 1800 333 000 or report online at www.crimestoppersqld.com.au.