kxr 50 90 Workshop-manual : Page 46

          3. INSPECTION/ADJUSTMENT                                                   Mongoose/KXR 90/50


 MAINTENANCE SCHEDULE
 This chapter includes all information necessary to perform recommended inspections and
 adjustments. These preventive maintenance procedures, if followed, will ensure more reliable
 vehicle operation and a longer service life. The need for costly overhaul work will be greatly
 reduced. This information applies to vehicles already in service ad well as new vehicles that are
 being prepared for sale. All service technicians should be familiar with this entire chapter.
                                                                       Initial        Every
             Item                       Remarks                    1     3     6     6      1
                                                                 month month month month year
 Valves                   Check valve clearance. Adjust if
 (Mongoose/KXR 50)        necessary.                                                              
                          Check condition. Clean or replace if
 Spark plug               necessary.                                                              

 Air clearance            Clean. Replace if necessary.                                            
                          Check idle speed/starter operation.
 Carburetor               Adjust if necessary.                                                    
                          Check fuel hose for cracks or
 Fuel line                damage. Replace if necessary.                                           
 Engine oil               Replace (Warm engine before
 (Mongoose/KXR 50)        draining).                                                              
 Engine oil filter screen
 (Mongoose/KXR 50) Clean. Replace if necessary.                                                   
                          Check oil leakage. Replace every
 Transmission oil         12 months.                                                              
                          Check operation. Adjust if
 Brake system             necessary.                                                              
                          Check operation/replace if damage
 Drive belt               or excessive wear.                                                      
                          Check balance/damage/runout.
 Wheels                   Replace if necessary.                                                   
                          Check bearings assembly for
 Wheel bearings           looseness/damage. Replace if                                            
                          damaged.
                          Check operation/replace if damage.
 Steering system          Check toe-in/adjust if necessary.                                       

 Knuckle shafts           Lubricate every 6 months.                                               
                          Check all chassis fittings and
 Fitting/Fasteners        fasteners. Correct if necessary.                                        

 · In the interest of safety, we recommend these items should be serviced only by an authorized
   KYMCO motorcycle dealer.




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