2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 133Get this manual

FUEL SYSTEM (DFI) 3-85 Fuel Tank
Fuel Tank Removal

Drain the fuel tank into suitable containerWARNING

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