2000-2001 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual., Page 62Get this manual
2-22 FUEL SYSTEM (DFI) Intake Manifold, Reed Valves
If reed becomes wavy, replace the reed valve assembly with new
one even if reed warp is less than the service limit
Checkthe reed [A] contact areas of the valve holder for grooves
scratches, or other damage
Valve Holder Inspection