Needed some used atv parts recently and came across a site on the web called Cycle Serve. You type in the parts you are looking for and salvage dealers across the country who monitor the site will email you if they have the parts you are looking for. Found some hard to find TRX 90 parts this way. They also have a section for new aftermarket parts and oem parts. Here is the link.

http://www.cycleserve.com/index.asp