Aaacccckkkk, another NEVER-ENDING POINTLESS OIL THREAD, and even Ignacio couldn't lay off of the high ball and send it to the proper forum, at least not yet.
The FJR specific oil can be had for $20 a pint--but your dealer had to think about it, order it, put it on a shelf and pay employees to sell it, thus the mark up you got at $32. The synthetic Mobil product has been mentioned and used ad nauseum, and those people have attained a much higher standard of living in the vast amount of money saved over the years. It will not void the warranty, the MotoMan breakin expert fella said so. The standard Yamaha 80/90 rear end gear lube is great for ATVs and even John Deere mowers, and should be suitable to prove the high speed foaming jaunts on the autobahn is just pure urban internet myth.
If it was up your rear end, you would know. B)