2007-2008 Yamaha Phazer Venture-Lite 500 Factory Service Manual, Page 205Get this manual

2007-2008 Yamaha Phazer Venture-Lite 500 Factory Service Manual, Page 205

VALVES AND VALVE SPRINGS Install the valve into the cylinder head Turn the valve until the valve face and valve seat are
Mechanic's blueing dye (Dykem) onto the valve face Install the valve into the cylinder head Press the valve through the valve
guide and onto the valve seat to make clear impression Measure the valve seat width againIf the valve seat width is out of
specification, reface and lap the valve seat 11Measure: Valve spring free length Out of specification Replace the valve springValve