AutoRacingSport.com - http://autoracingsport.com/
The place for NASCAR news and rumors where the discussion rages.
Crash.Net - http://www.crash.net/
Find the latest motorsport news, features and comment from all major motorsport championships including Formula One, MotoGP, WSBK and BSB.
Motorcycle USA - http://www.motorcycleusa.com/
Covers the world of motorcycles with breaking motorcycle news, motorcycle reviews and motorcycle race coverage.
MotorsportForums.com - http://www.motorsportforums.com
A forum for talking about absolutely anything, the only restriction is that you keep it clean, this is a family forum.
MotorsportReg.com - http://www.motorsportreg.com/
Information for Motorsport enthusiasts with a calender that lists all national events.
rallynuts.com - http://www.rallynuts.com/
An informative karting and auto racing resource that also focuses on the safety of motorsports.
RoadCarver - http://roadcarver.com/
An Australian online portal for motorcycle enthusiasts that offers a large selection of motorcycle related content, galleries and a meeting place for riders around the world.
Xsportz - http://www.xsportz.com.au/
Australian motorsports resource that focuses more on the extreme side of the sport.