vitality 50 2t 4t 1 Manuel atelier : Page 37

          2. GENERAL INFORMATION                                                    VITALITY 50


 POOR SUSPENSION PERFORMANCE

                Symptom                              Probable Cause

                                                   (Front and rear tire pressures are normal)

                                                     Weak shock spring
          Suspension is too soft                     Excessive load
                                                     Shock damper oil leaking


          Suspension is too hard                     Bent fork tube or shock rod
                                                     Fork slider and tube binding


          Suspension is noisy                        Fork tube and spring binding
                                                     Fork slider and tube binding




 POOR BRAKE PERFORMANCE


                Symptom                              Probable Cause

                                                   (Adjust brake according to standards)
                                                     Worn brake linings
          Index mark on brake                        Worn brake cam contacting area on
          panel aligns with wear                     brake shoes
          indicator arrow                            Worn brake cam
                                                     Worn brake drum

                                                     Worn brake linings
          Brake squeaks                              Foreign matter on brake linings
                                                     Rough brake drum contacting area

                                                     Sluggish or elongated brake cables
          Brake performance is         Expanding     Brake shoes improperly contact
          poor                         Brake         brake drum
                                                     Water and mud in brake system
                                                     Oil or grease on brake linings

                                                     Faulty brake master cylinder
                                 Hydraulic           Faulty brake caliper
                                 Brake               Oil or grease on brake disk
                                                     Deformed brake disk
                                                     Leaking brake fluid tube




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