For the ’09 Yamaha R1, though, there are some huge differences ... Featuring a staggered crossplane crankshaft that locates each connecting rod 90° from the one before it.

As well as its promised ‘crossplane’ three-cylinder engine Yamaha is preparing a -parallel-twin and further variations on the R1’s four-cylinder crossplane motor to create an entire family ...

roll-on power delivery with outrageous amounts of torque for a rush like you’ve never experienced before,” Yamaha says on the crossplane crankshaft. The 2010 R1 will be available in ...

OK, so this might not be the most exciting video we've ever posted but it is a very well put together video that goes a long way to explaining exactly what separates Yamaha's cross-plane R1 engine ...