I found this over at Snowest
I just checked some trademark names that Yamaha has filed through the U.S. Patent and Trademark Office.
Here are some that caught my eye: FXNYTRO, FXRACER, M-TX, R-TX, L-TX, FX-1, FX130
I found it here:
http://www.uspto.gov/main/trademarks.htm
click on...