2006-2009 Yamaha YFM700RV Raptor 700RV factory service manual, Page 170Get this manual
ROCKER ARMS AND CAMSHAFT EBS00239
CHECKING THE ROCKER ARMS AND ROCKER ARM SHAFTS The following procedure applies to both of the rocker arms and rocker arm shafts1Check: rocker arm Damagewear Replace2Check: rocker arm shaft Blue discolorationexcessive wearpitting scratches Replace or check the lubrication system