2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 67Get this manual

FUEL SYSTEM (DFI) 3-19 DFI Servicing Precautions
There are number of important precautions that should be followed servicing he DFI ystem

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