2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 98Get this manual

3-50 FUEL SYSTEM (DFI) Fuel Injectors (Service CodeCharacter-41, 42, 43, 44InJ1, InJ2, InJ3, InJ4)

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