They both have a 6-speed transmission ... aluminum swingarm and topped with a unique serial-numbered YZF-R1M badge on top of the airbox cover." These carbon fiber elements have a more textured ...

A slipper clutch couples engine power to the six-speed transmission for some anti-backtorque protection with a tough, chain-type final drive. The YZF-R1's top speed is around 186 MPH. The new ride ...

We're not entirely sure, but the Yamaha YZF-R1M is a great example of how we ... the non-M version was already butting up against the 186-mph top speed to which motorbike manufacturers have ...