2G bike owners need to be aware that on some bikes, with Gen-mars installed, the trottle cables will touch the tank at full lock. I had them and then sold mine because of this. Changing the angle of my bars did not fix the problem to my personal satsifaction.
Holeshot risers, used by themselves, is another alternative that works. Or you can do it yourself for cheaper, if you have the means to make the spacers yourself.
My risers can be seen on my home page.