yamaha r15

The R-Series Pedigree: YZF-R15 Model Evolution. yamaha r15 A record of all major model changes to the YZF-R15. gitar yamaha apx 500 2008 2011 2017 2022 Liquid-cooled SOHC 4-valve single-cylinder engine Forged piston and DiASil Cylinder Roller rocker arm and offset cylinder design