2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 136Get this manual

3-88 FUEL SYSTEM (DFI) Fuel Tank
Fuel Tank Removal

Drain the fuel tank into suitable containerWARNING

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