2003-2004 GP1300R WaveRunner Service Manual, Page 56Get 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 ReplaceMaximum impeller-to-housing clearance: 0.9 mm (0.035 in)

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives