Fist get frame no which is on head stock then go here http://workshop.nsr-world.com/ to match frame numbers. If you're in Thailand go here http://tyga-performance.com/site/index.php Matt is great with nsr`s and will be able to help you out with fairings and a lot of parts.
For hard to get parts you can sign up as a member here and Moriwaki-man on here can get you parts from japan.
hope that helps you out

Mod edit: txt spk!
FY