Segment:
Entry-level performance scooter, targeting younger riders or recreational off-road use.
Competitors:
Likely competes with other 50cc off-road style scooters from brands like Yamaha (BWs), Aprilia, and other Kymco models.
Target Audience:
DIY enthusiasts, beginner to intermediate mechanics, and owners seeking in-depth maintenance knowledge.
Manual Benefit:
Enables owners to perform a wide range of maintenance and repair tasks, saving on labor costs and extending vehicle lifespan.
Vehicle Systems:
Engine, Lubrication, Fuel, Drive/Driven Pulleys, Kick Starter, Final Reduction, Front Suspension, Front Brake, Rear Suspension, Rear Brake, Battery Charging, A.C. Generator, Ignition, Starting, Lights, Instruments, Switches, Evaporative Emission Control, Exhaust Emission Control, Frame Covers, Exhaust Muffler
Estimated Pages:
Information not explicitly provided, but extensive coverage suggests hundreds of pages typical for a full service manual.
Type:
Service and Repair Manual
Engine Mechanical:
Detailed coverage including cylinder head, valves, cylinder, piston, crankcase, and crankshaft.
Engine Performance Tuning:
Implied through inspection and adjustment procedures for fuel and lubrication systems.
Transmission Drivetrain:
Comprehensive coverage of drive and driven pulleys, kick starter, and final reduction systems.
Fuel System:
Includes carburetor (typical for 50cc), fuel pump, and fuel tank service.
Lubrication System:
Detailed procedures for oil change, filter replacement, and pump inspection.
Electrical System Charging:
Battery charging system and A.C. generator (stator and rectifier/regulator) service.
Electrical System Ignition:
Ignition system components including CDI unit, ignition coil, spark plug, and wiring.
Electrical System Starting:
Starting system components including starter motor, starter solenoid, and related wiring.
Lighting Instruments Switches:
Service and troubleshooting for headlights, taillights, turn signals, instrument cluster, and handlebar switches.
Chassis Suspension Steering:
Front and rear suspension and brake system servicing, along with frame cover removal.
Emission Control:
Specific sections for Evaporative Emission Control System and Exhaust Emission Control System, indicating compliance with modern standards.
Maintenance:
Routine maintenance, inspections, and adjustments for all covered systems.
Disassembly Reassembly:
Step-by-step instructions for complete disassembly and reassembly of the machine.
Troubleshooting:
Implied through detailed diagnostic information and repair procedures.
Component Overhaul:
Detailed procedures for engine components, transmission, and suspension.
Electrical Diagnostics:
Procedures for testing charging, ignition, and starting systems, including wiring diagrams (likely included).
Depth:
Comprehensive; suitable for both do-it-yourselfers and experienced mechanics. Covers detailed disassembly and component overhaul.
Engine Type:
Likely a 2-stroke, air-cooled, single-cylinder engine, typical for 50cc scooters of this era. Exact configuration not specified.
Displacement:
50cc (as indicated by model name)
Horsepower:
Typically around 3-5 HP for this engine class, exact figures not provided.
Torque:
Low torque figures, suitable for its class, not specified.
Carburetor Type:
Likely a Keihin or similar brand Japanese carburetor, size dependent on specific model year, not specified.
Fuel Type:
Unleaded gasoline
Oil Type:
Likely a high-quality 2-stroke premix oil or an automatic oil injection system. Specification depends on exact engine variant, not provided.
Type:
Automatic Continuously Variable Transmission (CVT) with drive and driven pulleys.
Optional Types:
N/A (CVT is standard for this type of vehicle)
Clutch Type:
Centrifugal clutch, integrated with the drive pulley system.
Final Drive:
Internal reduction gears within the crankcase/transmission housing.
Crash Test Results:
N/A (As an off-road focused scooter, formal crash test ratings like those for cars are not typically applicable.)
Braking System Front:
Disc brake, details not specified (e.g., single/dual piston, rotor size).
Braking System Rear:
Drum brake or Disc brake, details not specified.
Lighting:
Headlight, taillight, brake light, turn signals.
Chassis Construction:
Steel tube frame, details on design not provided.
Tires:
Off-road style knobby tires, specific sizes not provided but typical for 50cc scooters are 10-12 inch wheels.
Instrument Cluster:
Analog speedometer, fuel gauge (if equipped), indicator lights (turn signals, high beam, oil). Digital displays less common on this class.
ABS:
N/A (Not typically equipped on 50cc scooters)
Bluetooth Usb:
N/A (Not expected for this model and era)
Oil Change:
Refer to manual for specific intervals, typically every 1,000-2,000 km for 4-stroke or as per manufacturer recommendation for 2-stroke oil.
Air Filter Cleaning:
Refer to manual, typically every few thousand km or as conditions dictate.
Spark Plug Replacement:
Refer to manual, typically every 5,000-10,000 km depending on plug type.
Belt Inspection Replacement:
Refer to manual, CVT belt wear is critical; inspection every 5,000 km, replacement typically between 10,000-20,000 km.
Engine Oil:
Refer to manual. If 4-stroke, likely SAE 10W-40 or 10W-30 API SG or higher. If 2-stroke, specific 2T oil is required for injection or premix.
Transmission Oil:
Typically a lightweight gear oil, e.g., SAE 80 or 85W-90, if separate from crankcase. Refer to manual for capacity and type.
Brake Fluid:
DOT 3 or DOT 4, depending on hydraulic system design. Refer to manual for specific type and replacement interval.
Common Wear Items:
CVT belt, spark plug, air filter, tires, brake pads/shoes, battery.
Potential Failures:
Carburetor clogging (due to fuel sitting), ignition coil failure, starter motor issues, suspension wear.
Manufacturer:
Kymco (Kwang Yang Motor Co., Ltd.) is a Taiwanese manufacturer of motorcycles, scooters, ATVs, and utility vehicles.
Model Lineage:
The Mxer line is Kymco's offering in the sport/off-road style scooter segment. Specific year of introduction for the Mxer 50 is not detailed here, but it likely falls within Kymco's expansion in the late 1990s and 2000s.
Manufacturing Location:
Likely manufactured in Taiwan or China by Kymco.
