New 2020 Yamaha YZF-R1 and YZF-R1M | Bike Rider Magazine
Yamaha Motor to Release Two New YZF-R1 Supersport Models in Europe and U.S. ~YZF-R1 & YZF-R1M share lineage with MotoGP machines | Yamaha Motor Co., Ltd.
Engines & Parts for Yamaha YZF R1 for sale | eBay
Yamaha YZF-R1 - Wikipedia
The R-Series Pedigree: YZF-R1 Model Evolution - Motorcycle | Yamaha Motor Co., Ltd.