First of all, Yamaha handguards are actually Yamaha branded Acerbis Really pro.

I mounted Acerbis Supermoto handguards on my 2009 xtx... i personally liked this design more then rally pro and they have this metal thingy that looks more promising then just a peace of plastic.

It wasn't just take it out of box but nothing to hard.
Once you remove exiting Bar ends from steering wheel there is a problem with main bolt nut. it is to big to fit in hole. so i just laminate it a little bit from every side and it fitted perfectly.

But, when i compare my mounting kit and mounting kit for Really pro there is a lot of different. really pros looks a lot like original Yamaha bar end, I cant be 100% sure but i really think you wont have any problems with mounting them...

hope it helps

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