2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 100Get this manual

3-52 FUEL SYSTEM (DFI) Fuel Injectors (Service CodeCharacter-41, 42, 43, 44InJ1, InJ2, InJ3, InJ4)

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