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UF4L10E0.book  Page 90  Tuesday, July 10, 2018  1:34 PM



                                                                       Trouble recovery


                             TROUBLE            POSSIBLE CAUSE             REMEDY         PAGE
                         Watercraft slow or   Cavitation  Jet intake clogged  Clean        91
                         loses power                 Impeller damaged or   Have serviced by
                                                     worn             Yamaha dealer        91
                                          Engine over-  Engine speed reduc-  Clean jet intake and   41
                                          heat warning  tion control activated  cool engine
                                          Oil pressure   Engine speed reduc-  Add oil      41
                                          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
                                          Air filter  Clogged         Have serviced by     —
                                                                      Yamaha dealer
                                                     Oil buildup      Have serviced by     —
                                                                      Yamaha dealer
                                          Throttle lever  Faulty      Have serviced by     —
                                                                      Yamaha dealer
































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