2007-2010 Kawasaki Ultra 250X/260X/260LX PWC Factory Service Manual, Page 247Get this manual
ENGINE REMOVAUINSTALLATION 7-9 Engine RemovalInstallation
After installing the engine in the hullcheck the following Throttle Cable Fuel and Exhaust Leaks
A WARNING
Do not run the engine in closed areaExhaust gases contain carbon monoxide, colorless, odorless, poisonous gas which can be lethal
CAUTION
Do not run the engine without cooling water supply for more than 15 seconds, especially in high revolutionary speed or severe engine and exhaust system damage will occur