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    UF4G14E0.book  Page 34  Wednesday, July 10, 2019  11:14 AM

                            Control function operation

                            EJU31262                              in response to handlebar input until you apply
                            Steering system
                                                                  throttle again or you reach trolling speed.
                            By turning the handlebars in the direction you
                                                                  EJU35975
                            wish to travel, the angle of the jet thrust noz-  Cooling water pilot outlet
                            zle is changed, and the direction of the water-  When the engine  is running, some of the
                            craft is changed accordingly.         cooling water that is circulated in the engine
                                                                  is discharged from  the cooling  water pilot
                                               1
                                                                  outlet.
                                                                                              1

                                                                   1 Cooling water pilot outlet
                                                            2     There is a cooling water pilot outlet on the
                                                                  port (left) side of the watercraft. To check for
                                                                  proper operation of the cooling system, make
                                                                  sure that water is being discharged from the
                              1 Handlebar                         cooling water pilot outlet. If water is not being
                              2 Jet thrust nozzle
                                                                  discharged from the outlet, stop the engine
                            Since the strength of the jet thrust determines  and check the jet intake for clogging. (See
                            the speed and degree of a turn, throttle must  page 100 for information on the jet intake.)
                            always  be  applied when attempting a  turn,  TIP:
                            except at trolling speed.              It will take about 60 seconds for the water
                            This model is equipped with the Yamaha En-  to reach the outlet after the engine is start-
                            gine Management  System (YEMS) that  in-  ed.
                            cludes an off-throttle steering (OTS) system.   Water  discharge may not be  constant
                            It will activate at planing speeds should you  when the engine is running at idling speed.
                            attempt to steer the watercraft after releasing  If this occurs, apply a little throttle to make
                            the throttle lever. The OTS system assists in  sure that water discharges properly.
                            turning by continuing to supply some thrust  EJU40323
                            while the watercraft is decelerating, but you  Water separator
                            can turn  more sharply if you apply throttle  The water separator prevents water from en-
                            while turning the handlebars. The OTS sys-  tering the fuel tank by collecting any water
                            tem does not function below planing speeds  that has entered the fuel tank breather hose if
                            or when the engine is off. Once the engine  the watercraft was capsized.
                            slows down, the watercraft will no longer turn

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