2007-2010 Kawasaki Ultra 250X/260X/260LX PWC Factory Service Manual, Page 111Get this manual
3-52 FUEL SYSTEM (OFI) Engine Overheating (Service CodeCharacter-71HEAt)
elf the service code is displayedcheck the doubtful parts referring to the following tablePossible Causes Action (Chapter)
Water passage clogged, loosened or damaged Incorrect engine oil level Engine oil poor quality or incorrect Water temperature sensor broken Jet pump or impeller damaged Oil cooler clogged Carbon build-up on combustion chamber