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    UF3P13E0.book  Page 34  Monday, June 24, 2019  1:32 PM

                            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
                                                                  EJU41801
                            wish to travel, the angle of the jet thrust noz-  Cooling water pilot outlets
                            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
                                                                  outlets.
                                                                                              1

                                                                   1 Cooling water pilot outlet
                                                            2     There are cooling water pilot outlets on the
                                                                  port (left) and starboard (right) sides of  the
                                                                  watercraft. To check for proper operation of
                                                                  the cooling system, make sure that water is
                              1 Handlebar                         being discharged from the port (left) pilot out-
                              2 Jet thrust nozzle
                                                                  let. If water is not being discharged from the
                            Since the strength of the jet thrust determines  outlet, stop the engine and check the jet in-
                            the speed and degree of a turn, throttle must  take for clogging. (See page 98 for informa-
                            always  be  applied when attempting a  turn,  tion on the jet intake.)
                            except at trolling speed.             TIP:
                            This model is equipped with the Yamaha En-   It will take about 60 seconds for the water
                            gine Management  System (YEMS) that  in-  to reach the outlets after the engine is start-
                            cludes an off-throttle steering (OTS) system.  ed.
                            It will activate at planing speeds should you   Water  discharge may not be  constant
                            attempt to steer the watercraft after releasing  when the engine is running at idling speed.
                            the throttle lever. The OTS system assists in  If this occurs, apply a little throttle to make
                            turning by continuing to supply some thrust  sure that water discharges properly.
                            while the watercraft is decelerating, but you  EJU40323
                            can turn  more sharply if you apply throttle  Water separator
                            while turning the handlebars. The OTS sys-  The water separator prevents water from en-
                            tem does not function below planing speeds  tering the fuel tank by collecting any water
                            or when the engine is off. Once the engine  that has entered the fuel tank breather hose if
                            slows down, the watercraft will no longer turn  the watercraft was capsized.

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