PREFACE TABLE OF CONTENTS This Service Manual describes the GENERAL INFORMATION 1 technical features and servicing FRAME COVERS/EXHAUST MUFFLER 2 procedures for the KYMCO Mongoose/KXR 90/50. INSPECTION/ADJUSTMENT 3 LUBRICATION SYSTEM 4 Section 1 contains the precautions for FUEL SYSTEM 5 all operations stated in this manual. ENGINE Read them carefully before starting any ENGINE REMOVAL 6 operation. CYLINDER HEAD/VALVES 7 CYLINDER/PISTON 8 Section 2 is the removal/installation DRIVE AND DRIVEN PULLEYS procedures for the frame covers which 9 are subject to higher removal/installation FINAL REDUCTION/TRANSMISSION 10 frequency during maintenance and SYSTEM servicing operations. CRANKCASE/CRANKSHAFT 11 Section 3 describes the inspection/ FRONT WHEEL/FRONT BRAKE/ CHASSIS adjustment procedures, safety rules and FRONT SUSPENSION/STEERING 12 SYSTEM service information for each part, starting from periodic maintenance. REAR WHEEL /SWING 13 ARM/HYDRAULIC BRAKE Sections 4 through 17 give instructions BATTERY/CHARGING SYSTEM/A.C. 14 EQUIPMENT ELECTRICAL GENERATOR for disassembly, assembly and inspection of engine, chassis frame and IGNITION SYSTEM 15 electrical equipment. STARTING SYSTEM 16 BULBS REMOVAL/INSTRUMENT/HORN 17 Most sections start with an assembly or system illustration and troubleshooting for the section. The subsequent pages give detailed procedures for the section. The information and contents included in this manual may be different from the motorcycle in case specifications are changed. KWANG YANG MOTOR CO., LTD. OVERSEAS SALES DEPARTMENT OVERSEAS SERVICE SECTION