PREFACE This Service Manual describes the TABLE OF CONTENTS technical features and servicing GENERAL INFORMATION 1 procedures for the KYMCO MXU 250R/300R FRAME COVERS/EXHAUST MUFFLER 2 INSPECTION/ADJUSTMENT 3 Section 1 contains the precautions for LUBRICATION SYSTEM 4 all operations stated in this manual. FUEL SYSTEM 5 Read them carefully before starting any operation. ENGINE REMOVAL 6 CYLINDER HEAD/VALVES 7 Section 2 is the removal/installation ENGINE CYLINDER/PISTON 8 procedures for the frame cover, which 9 DRIVE AND DRIVEN PULLEYS are subject to higher removal/installation frequency during maintenance and FINAL REDUCTION/TRANSMISSION 10 servicing operations. SYSTEM CRANKCASE/CRANKSHAFT/ BALANCE SHAFT 11 Section 3 describes the inspection/ adjustment procedures, safety rules and COOLING SYSTEM 12 service information for each part, BRAKE SYSTEM 13 starting from periodic maintenance. CHASSIS FRONT WHEEL/FRONT 14 SUSPENSION/STEERING SYSTEM Sections 4 through 19 give instructions REAR WHEEL/AXLE/SUSPENSION/ for disassembly, assembly and DRIVING MECHANISM 15 inspection of engine, chassis frame and BATTERY/CHARGING SYSTEM/A.C. 16 EQUIPMENT ELECTRICAL electrical equipment. GENERATOR IGNITION SYSTEM 17 Most sections start with an assembly or STARTING SYSTEM 18 system illustration and troubleshooting for the section. The subsequent pages LIGHTS/SWITCHES 19 give detailed procedures for the section. The information and contents included in this manual may be different from the ATV in case specifications are changed. KYMCO reserves the right to make changes at any time without notice and without incurring any obligation. KWANG YANG MOTOR CO., LTD. QUALITY TECHNOLOGY DEPARTMENT TRAINING SERVICE SECTION