Click video to learn more about the 2009 Yamaha YZF-R1 that Ben Spies piloted in the 2009 World Superbike Championship. The 2009 YZF-R1 is the first ever production motorcycle with a crossplane crankshaft. Crossplane technology, first pioneered in MotoGP racing with the M1, puts each connecting rod 90° from the next, with an uneven firing interval of 270°- 180°- 90°- 180°. This uneven order does an amazing thing.
Ben Spies Explains the 2009 YZF-R1 | Video
Click video to learn more about the 2009 Yamaha YZF-R1 that Ben Spies piloted in the 2009 World Superbike Championship. The 2009 YZF-R1 is the first ever production motorcycle with a crossplane crankshaft. Crossplane technology, first pioneered in MotoGP racing with the M1, puts each connecting rod 90° from the next, with an uneven firing interval of 270°- 180°- 90°- 180°. This uneven order does an amazing thing.