This is a new Koso High Performance Front Clutch Variator for all Yamaha Raptor 90cc 4 Stroke ATV's (2009-2013).
Common applications include:RAPTOR 90 - YFM90RYLRAPTOR 90 - YFM90RYBRAPTOR 90 - YFM90RZWRAPTOR 90 - YFM90RALRAPTOR 90 - YFM90RAWRAPTOR 90 - YFM90RBLRAPTOR 90 - YFM90RBWRAPTOR 90 - YFM90RDLRAPTOR 90 - YFM90RDW