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. 3-3