However, the common and grin-worthy factor on both these motorcycles is the Yamaha R1-derived four-cylinder engine. The 998cc mill produces well over 160 horses and 82.6 pound-feet of torque.

Called the XZR900 Thunderbolt, it’s been built Marc Bell of Haxch Moto, who specialises in bespoke builds designed to look ...

Yamaha RX100 offered incredible performance with its small 98cc single-cylinder, two-stroke engine which is hard to match by even bigger motorcycles today ...

Yamaha boss Massimo Meregalli says the Japanese brand is “trying to learn from both” of its MotoGP engine projects to ...

There are some big differences between Yamaha's R-Series motorcycles ... It has dual overhead camshafts (DOHC), inline twin-cylinders, and four valves per cylinder. That information is all ...