like 50 2T 1 Manuale-dofficina : Pagina 31

          2. GENERAL INFORMATION                                        SUPER8 50 2T


 CLUTCH, DRIVE AND DRIVEN PULLEYS


                  Symptom                Probable Cause


                                           Worn or slipping drive belt
                                           Broken ramp plate
           Engine starts but               Broken driven face spring
           motor-cycle does not            Separated clutch lining
           move                            Damaged driven pulley shaft splines
                                           Damaged final gear
                                           Seized final gear


            Motorcycle creeps or
            engine starts but              Broken shoe spring
            soon stops or seems            Clutch outer and clutch weight stuck
            to rush out (Rear              Seized pivot
            wheel rotates when
            engine idles)

                                           Worn or slipping drive belt
            Engine lacks power at          Worn weight rollers
            start of a grade (poor         Seized drive pulley bearings
            slope performance)             Weak driven face spring
                                           Worn or seized driven pulley bearings


            Engine lacks power at          Worn or slipping drive belt
            high speed                     Worn weight rollers
                                           Worn or seized driven pulley bearings


            There is abnormal              Oil or grease fouled drive belt
            noise                          Worn drive belt
            or smell while running         Weak driven face spring
                                           Worn or seized driven pulley bearings

 STEERING HANDLEBAR DOES NOT TRACK STRAIGHT


                 Symptom                 Probable Cause

                                         (Front and rear tire pressures are normal)

            Steering is heavy              Steering stem nut too tight
                                           Broken steering steel balls


            Front or rear wheel is         Excessive wheel bearing play
            wobbling                       Bent rim
                                           Loose axle nut

           Steering handlebar              Misaligned front and rear wheels
           pulls to one side               Bent front fork



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