Have you noticed that every time there is a new product from any of the auto giants, comes along a handful of totally news and never before seen technology. Now, Yamaha has launched the 2009 edition ...

Most inline-four engines use a flat-plane crank, meaning two pistons rise while two fall, giving perfect primary balance and even 180-degree firing intervals. Yamaha broke from this in 2009 with the ...

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 of ...

Michael Neeves says the new 1000cc R1 engine with crossplane crank gives the bike all the top-end rush of an inline-four, with the low down grunt of a twin. Neevesy tested the all-new 2009 Yamaha R1 ...