Police are appealing for public assistance following a serious collision at North Lismore on Friday.

About 2.12pm yesterday (Friday 30 April 2010), a Honda CBR1000 motorcycle and a Mazda Bravo four-wheel drive collided whilst travelling on Dunoon Road.

The motorcyclist, a 36-year-old Lismore man, was thrown from the bike, sustaining leg and internal injuries. He was taken to Lismore Base Hospital in a serious but stable condition and later airlifted to Brisbane Hospital.

The 47-year-old driver and 11-year-old passenger of the 4WD escaped injury.

Ballina Crash Investigation Unit is conducting an investigation into the circumstances surrounding the collision.

Any witnesses to the incident, or anyone who saw the events leading up to the collision, is asked to contact Ballina CIU on (02) 6681-8618 or Crime Stoppers on 1800 333 000.