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General| Brand | KYMCO |
|---|---|
| Model | MXU 300 |
| Category | Offroad Vehicle |
| Language | English |
Location of frame and engine serial numbers.
Technical specifications for MXU 250 model.
Important guidelines for safe and proper servicing procedures.
Specified torque values for engine and frame fasteners.
List of specialized tools required for servicing.
Specifies lubrication points for engine and frame components.
Diagrams showing proper routing of cables and wiring harnesses.
Electrical wiring diagram for the MXU 250 Off Road model.
Guides for diagnosing and resolving engine starting and power issues.
General instructions and torque values for frame cover and exhaust service.
Common issues like noisy exhaust or lack of power related to exhaust system.
Procedures for removing and installing seat, front cargo rack, and other frame covers.
Steps for removal, installation, and inspection of the exhaust muffler.
General service information including specifications and safety warnings.
Recommended inspection and maintenance schedule based on mileage or time.
Inspection and maintenance procedures for fuel lines, throttle, and air cleaner.
Procedure for inspecting and adjusting valve clearance.
Steps for checking and adjusting engine idle speed.
Procedure for checking ignition timing using a timing light.
Method for testing engine cylinder compression.
Instructions for checking and replacing engine oil.
Procedure for draining and refilling transmission oil.
Steps for changing oil in the rear final gear case for MXU 300.
Inspection and service limit for the drive belt.
How to check brake pad wear using the indicator.
Procedure for checking the brake fluid level.
Adjusting the direction of the headlight beam.
Checking for play and wear in the steering column and related parts.
Steps for measuring and adjusting the front wheel toe-in.
Inspection of tires for wear/damage and checking tire pressure.
Procedure for checking and adjusting drive chain slack.
How to adjust the drive select lever for proper gear engagement.
Inspecting and lubricating control cables for smooth operation.
Lubrication procedure for the rear suspension nipples.
Inspection and replacement procedures for the cooling system components.
Cleaning the spark arrester for off-road models.
General instructions and specifications for the lubrication system.
Common issues like low oil level or poor lubrication pressure.
Procedures for checking oil level and replacing oil filter.
Removal, disassembly, and inspection of the oil pump assembly.
General instructions and specifications for the fuel system.
Common fuel system problems like engine not starting or lacking power.
Removal and installation procedures for the fuel tank.
Disassembly, inspection, and assembly of the fuel valve.
Disassembly and assembly of the throttle valve within the carburetor.
Procedures for removing, disassembling, cleaning, and assembling the carburetor.
Removal and installation of the air cleaner housing assembly.
Removal and installation of the PAIR solenoid valve.
General instructions and parts requiring engine removal for servicing.
Detailed steps for removing the engine from the MXU 250 model.
Procedures for installing the engine back into the MXU 250.
Detailed steps for removing the engine from the MXU 300 model.
Procedures for installing the engine back into the MXU 300.
General instructions and specifications for cylinder head and valve service.
Diagnosing poor cylinder head operation and noises.
Removal and installation of the cylinder head cover.
Removal and inspection of the camshaft and its holder.
Steps for removing and disassembling the cylinder head.
General instructions and troubleshooting for cylinder and piston issues.
Diagnosing compression issues and excessive smoke.
Standard and service limit measurements for cylinder and piston components.
Procedure for removing the cylinder and piston from the engine.
Inspecting piston rings, piston wall, and measuring ring-to-groove clearance.
General instructions and specifications for pulley servicing.
Common problems like engine not moving or lack of power related to pulleys.
Removal and installation of the left crankcase cover.
Removal and installation of the drive and driven pulley assemblies.
General instructions, specifications, and troubleshooting for the transmission system.
Removal and disassembly of the transmission case cover for MXU 250.
Removal and inspection of the transmission components for MXU 250.
Removal and inspection of the speedometer gear mechanism.
Removal and disassembly of the case cover and bevel gear assembly for MXU 300.
Adjustment and disassembly related to secondary gear shims and backlash.
General instructions and specifications for crankshaft and crankcase service.
Common issues like excessive engine noise or bearing play.
Steps for separating crankcase halves and removing crankshaft/balance shaft.
General instructions, safety, special tools, and torque values for cooling system.
Diagnosing engine overheating and coolant leaks.
Testing the radiator cap pressure relief.
Inspection, removal, and installation of the radiator.
Procedures for preparing, replacing, and bleeding the cooling system.
Inspection, removal, and replacement of the water pump and its components.
Removal, inspection, and installation of the thermosensor.
Removal, inspection, and installation of the thermostat.
General instructions, specifications, and troubleshooting for the brake system.
Removal and inspection of front brake pads and caliper.
Procedures for draining, refilling, and bleeding the front brake system.
Disassembly, inspection, and assembly of the front brake master cylinder.
Disassembly, inspection, and assembly of the front brake caliper.
Removal and replacement of rear brake pads.
Disassembly and assembly of the rear brake master cylinder for the pedal.
Removal, inspection, and assembly of the rear brake caliper.
General instructions, specifications, torque values, tools, and troubleshooting for front end.
Removal, inspection, and installation of the front wheel.
Removal, disassembly, inspection, and assembly of the front wheel hub.
Removal and inspection of front suspension components like tie-rods and arms.
Removal, inspection, and adjustment of tie-rods for steering alignment.
Removal, inspection, and installation of the handlebar and associated controls.
Removal and inspection of the steering column and its components.
General instructions, specifications, torque values, tools, and troubleshooting for rear end.
Removal, inspection, and installation of the rear wheel and hub assembly.
Removal and inspection of the rear axle and hub for MXU 250.
Removal and inspection of the rear shock absorber.
Removal and inspection of the swingarm assembly for MXU 250.
Steps for removing and inspecting the rear drive mechanism for MXU 300.
Adjusting final drive shims and disassembling the final gear case.
Procedures for assembling the final gear case for MXU 300.
Inspecting and replacing swingarm bearings and dust seals for MXU 300.
Installing the rear drive mechanism components for MXU 300.
General instructions, specifications, and torque values for battery and charging systems.
Diagnosing power issues and charging system failures.
Removal, installation, and voltage inspection of the battery.
Testing current leakage and charging voltage of the charging system.
Inspection and voltage regulation test of the regulator/rectifier.
Checking continuity of the A.C. generator windings.
Steps for removing the A.C. generator and flywheel assembly.
General instructions for checking the ignition system.
Specifications for spark plug, ignition coil, and pulser coil.
Diagnosing high/low voltage and no spark issues.
Testing the resistance of the ignition unit and change gear control.
Testing continuity and resistance of the ignition coil.
Measuring the resistance of the pulser coil.
General instructions for starter motor removal.
Diagnosing issues with the starter motor not turning or lacking power.
Removal, disassembly, inspection, and assembly of the starter motor.
Inspection and voltage testing of the starter relay.
Removal and inspection of the starter clutch and driven gear.
Procedures for rope replacement in the recoil starter.
General information on testing switches and connectors.
Procedures for removing and replacing headlight, position, tail/brake, and turn signal bulbs.
Removal and installation of the horn.
Inspection and replacement of the ignition switch.
Inspection of handlebar switches for continuity.
Inspection and replacement of neutral and reverse switches.
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