On straight road 10r is obviously Fast but on the corners R1 is Faster, R1 has Cross plane Engine which is why it sounds so god damn different form other typical inline 4 bikes(I love it).

Out of all these, the YZF-R1 and the YZF-R1M are two of the most ... They both have a 6-speed transmission, Bridgestone ...

So Yamaha planned to balance the primary and secondary sources of the engines so that the crankshaft is inherently balanced- ...