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    UF4R10E0.book  Page 77  Tuesday, August 4, 2020  1:32 PM

                            Trouble recovery

                                 TROUBLE            POSSIBLE CAUSE             REMEDY         PAGE
                             Engine runs irregu-  Fuel   Fuel tank empty  Refill as soon as pos-  38
                             larly or stalls                              sible
                                                         Stale or contaminat-  Have serviced by   —
                                                         ed               Yamaha dealer
                                              Fuel tank  Water or dirt present  Have serviced by   —
                                                                          Yamaha dealer
                                              Spark plug  Fouled or defective  Have serviced by   —
                                                                          Yamaha dealer
                                                         Incorrect heat range  Have serviced by   —
                                                                          Yamaha dealer
                                                         Gap incorrect    Have serviced by     —
                                                                          Yamaha dealer
                                              Electrical wir-  Loose connection  Have serviced by   —
                                              ing                         Yamaha dealer
                                              Fuel injec-  Faulty or clogged in-  Have serviced by   —
                                              tion system  jectors        Yamaha dealer
                             Warning light or in-  Fuel level   Fuel tank empty  Refill as soon as pos-  38
                             dicator blinks or   warning                  sible
                             comes on         Oil pressure   Oil pressure dropped  Have serviced by
                                              warning                     Yamaha dealer        31
                                              Engine over-  Jet intake clogged  Clean          78
                                              heat warning
                                              Check en-  Faulty sensors   Have serviced by     32
                                              gine warning                Yamaha dealer
                             Watercraft slow or   Cavitation  Jet intake clogged  Clean        78
                             loses power                 Impeller damaged or   Have serviced by
                                                         worn             Yamaha dealer        78
                                              Engine over-  Engine speed reduc-  Clean jet intake and   32
                                              heat warning  tion control activated  cool engine
                                              Oil pressure   Engine speed reduc-  Add oil      31
                                              warning    tion control activated
                                              Spark plug  Fouled or defective  Have serviced by   —
                                                                          Yamaha dealer
                                                         Incorrect heat range  Have serviced by   —
                                                                          Yamaha dealer
                                                         Gap incorrect    Have serviced by     —
                                                                          Yamaha dealer
                                              Electrical wir-  Loose connection  Have serviced by   —
                                              ing                         Yamaha dealer
                                              Fuel       Stale or contaminat-  Have serviced by   —
                                                         ed               Yamaha dealer
                                              Throttle lever  Faulty      Have serviced by     —
                                                                          Yamaha dealer
                                              L-MODE     L-MODE is activat-  Deactivate the L-MO-  30
                                                         ing.             DE.

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