2006-2009 Yamaha YFM700RV Raptor 700RV factory service manual, Page 174Get this manual
VALVES AND VALVE SPRINGS EAS00238
REMOVING THE VALVES AND VALVE SPRINGS The following procedure applies to all of the valves and related componentsNOTE: Before removing the internal parts of the cylinder head (e.g valves, valve springs, valve seats), make sure the valves properly seal1Check: valve sealing Leakage at the valve seat Check the valve face, valve seat, and valve seat widthRefer to "CHECKING THE VALVES AND VALVE SPRINGS"aPour clean solvent into the intake and exhaust portsbCheck that the valve seals properlyThere should be no leakage at the valve seat 1MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM