2004 Yamaha WaveRunner VX110 Sport and VX110 Deluxe Service Manual, Page 74Get this manual
INSP ADJ
JET PUMP UNIT
JET PUMP UNIT
Impeller inspection 1Check: Impeller Damagewear ReplaceNicksscratches File or grind2Measure: Impeller-to-housing clearance Out of specification Replace