2001-2005 Yamaha WaveRunner GP800R Factory Service Manual, Page 315Get this manual
E EJU00486a
Starting and boarding in shallow water
1Do not start the engine in less than 60 cm (2 ft) of waterPut the watercraft in water that is deep enough, and then board the watercraft from the side or the rear2Attach the engine shut-off cord to your left wrist, and then install the clip to the engine shut-off switch3Grip the handlebars with both hands, place both feet on the floor of the footwell, start the engine, and start off