2015 Yamaha YZF-R1 YZF-R1 COMPLETELY NEW FROM the TRACK UP.Introducing the most MotoGP-inspired R1 ever. Motorcycles SuperSport DX18319143819268391 DX1 . From the advanced "rider active" electronics package to the powerful crossplane crankshaft engine the line between Supersport bike and factory MotoGP has never been more blurred...