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    UF4P11E0.book  Page 61  Friday, October 30, 2020  9:39 AM

                                             Operation and handling requirements

                            EJU31823                              knocking (or pinging) occurs, use a gasoline
                                    Fuel requirements
                                                                  of a different brand.
                            EJU45231
                            Fuel
                                                                    Recommended fuel:
                            EWJ00283
                                                                      Premium unleaded gasoline with a
                                                                      minimum octane rating of
                             Gasoline and  gasoline vapors are ex-     91
                              tremely flammable. To avoid  fires  and    (Pump octane number) = (R + M)/2
                                                                        95 (Research octane number)
                              explosions and to reduce the risk of in-
                              jury when refueling, follow these in-
                                                                  Gasohol
                              structions.
                                                                  There are two types of gasohol: gasohol con-
                             Gasoline is poisonous and can cause in-
                                                                  taining ethanol and gasohol containing meth-
                              jury or death. Handle gasoline with care.
                                                                  anol.
                              Never siphon gasoline by mouth. If you
                                                                  Gasohol  containing ethanol can  be used  if
                              should swallow some gasoline, inhale a
                                                                  the ethanol  content  does not exceed 10%
                              lot of gasoline vapor, or get some gaso-
                                                                  and the fuel meets the minimum octane rat-
                              line in your eyes, see your doctor imme-
                                                                  ings. E-85 is a fuel blend containing 85% eth-
                              diately. If gasoline spills on  your skin,
                                                                  anol and therefore must not be used in this
                              wash with soap and water. If gasoline
                                                                  watercraft.  All ethanol blends  containing
                              spills  on your clothing, change  your
                                                                  more than 10% ethanol can cause fuel sys-
                              clothes.
                                                                  tem  damage or  engine performance prob-
                                                                  lems.
                            ECJ01870
                                                                  Yamaha does not recommend gasohol con-
                             Do  not  use leaded gasoline. Leaded  taining methanol because it can cause fuel
                              gasoline can seriously damage the en-  system damage  and engine performance
                              gine.                               problems.
                             Avoid getting water and contaminants in  To fill the fuel tank:
                              the  fuel  tank. Contaminated fuel can  (1) Before refueling, stop the engine. Do not
                              cause poor performance  and engine     stand or sit on the watercraft. Never refu-
                              damage. Use only fresh  gasoline that  el while smoking, or while in the vicinity
                              has been stored in clean containers.   of sparks, open flames, or other sources
                             Use only gasoline with a minimum pump  of ignition.
                              octane number of 91 or a minimum re-  (2) Place the watercraft in a well-ventilated
                              search octane  number of 95. Low-oc-   area and in a horizontal position.
                              tane gasoline can seriously damage the  (3) Remove the seats, and then check the
                              engine.                                fuel level. (See page 54 for seat removal
                                                                     and installation procedures.)
                            Your Yamaha engine has been designed to
                            use premium unleaded gasoline with a pump
                            octane number [(R+M)/2] of 91 or higher, or a
                            research octane  number of  95 or higher.  If

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