2004 Yamaha WaveRunner VX110 Sport and VX110 Deluxe Service Manual, Page 163Get this manual
VALVES AND VALVE SPRINGS
Valve guide inspection
NOTE: Before checking the valve guide make sure that the valve stem diameter is within specification1Measure: Valve guide inside diameter Valve guide inside diameter: Intake: 4.0004.012 mm (0.15750.1580 in) Exhaust: 4.5004.512 mm (0.17720.1776 in)