2003 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual, Page 59Get this manual
3-14 FUEL SYSTEM (DFI) DFI Servicing Precautions
If the watercraft is not properly operated, the high pressure inside the fuel line can cause fuel to leak [A] or the hose to burstBend and twist the fuel hose while examining itReplace the hose if any cracks [B] or bulges [C] are noticed
When you need to remove fuel tube from fitting or elbow, grip the outer edge of ear firmly and cut through it with pincers, and then removeWhen installing ear type clamps, please note that each ear must be crimped as recommended to obtain proper sealPosition clamp on hose and give each ear firm squeeze with your OETIKER Pincers [A] or similar style of pincer (Refer to the Appendix, Cable, Wire and Hose Routing section)Recommended clamp installation tools [A]: OETIKER's Side Jaw Pincers Model 1099 (USA) KNIPEX 1099 Hose Band Pliers (Europe) [B]: 1.21.7 mm (0.050.07 in