RING 100mm YFM660F/R, NA-40004R

Part no 56-R761 (phoenixmotos.com)
Namura 100mm piston ring set (OEM Ref 3YF-11631-00-X0) Application Yamaha YFM660R Raptor 2001-05
YFM660F Grizzly 2002-07

YXR660 Rhino 2004-07
(Namura part no NA-40004R)