Model Variant:
Unknown (specific trim levels not provided in product info)
Vehicle Type:
ATV (All-Terrain Vehicle)
Production Years:
Information not explicitly provided, but the manual likely covers a specific production range.
Vin Code Location:
Typically found on the frame, often near the steering headstock. Specifics depend on the model year.
Market Segment:
Entry-level to mid-range sport/utility ATV, often targeted at recreational riders and younger enthusiasts.
Key Competitors:
Likely competes with similar displacement ATVs from brands like Yamaha (e.g., Raptor 125), Polaris, Suzuki, and potentially other Kymco models or smaller cc offerings from competitors.
Vehicle Purpose:
Designed for recreational trail riding, light off-roading, and general utility use. The 'Mxer' designation typically implies a sportier, more agile design than a pure utility ATV.
Cost Savings:
Enables users to perform repairs and maintenance themselves, significantly reducing labor costs associated with dealership service.
Primary Coverage:
Maintenance, repair procedures, troubleshooting, and technical specifications for the Kymco Mxer 125.
Estimated Page Count:
Likely 200-400 pages based on typical factory service manuals for this class of vehicle. Precise count not provided.
Manual Type:
Factory Service Repair Manual
Engine Systems:
Engine removal/installation, cylinder head/valves, cylinder/piston, crankcase/crankshaft/balance shaft, lubrication system, cooling system (if applicable for 125cc), fuel system.
Drivetrain Systems:
Drive and driven pulleys (likely CVT transmission), final reduction/transmission system.
Chassis Systems:
Frame covers/exhaust muffler, front wheel/front suspension/steering system, rear wheel/axle/suspension, brake system.
Electrical Systems:
Battery/charging system/a.c. generator, ignition system, starting system, bulbs removal/instrument/horn, wiring diagrams.
Maintenance Procedures:
Inspection and adjustment procedures, lubrication schedule, fluid checks and changes, filter replacements.
Repair Procedures:
Detailed step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation across all covered systems.
Troubleshooting Guidance:
Likely includes diagnostic charts and common problem identification for various systems.
Technical Depth:
Comprehensive factory-level detail suitable for professional technicians and experienced DIY mechanics, covering disassembly, overhaul, and critical adjustments.
Diagnostic Procedures:
Includes likely diagnostic flowcharts and fault code interpretation if applicable to the model's electronic systems.
Electrical Diagrams Detail:
Comprehensive wiring diagrams for all electrical systems, essential for troubleshooting electrical faults, lighting, ignition, and starting circuits.
Engine Type:
Likely a four-stroke, single-cylinder, air-cooled or liquid-cooled (less common for 125cc but possible) internal combustion engine.
Displacement:
125cc (approximately)
Bore X Stroke:
Specifics not provided in product info, but crucial for engine rebuilding.
Compression Ratio:
Specifics not provided in product info.
Cooling Method:
Likely air-cooled, though some 125cc ATVs may feature liquid cooling. The manual will clarify this critical detail.
Horsepower:
Typically in the range of 8-12 HP for a 125cc ATV, depending on tuning and cooling.
Torque:
Specifics not provided, but expected to be adequate for its class.
Fuel Delivery:
Likely carbureted (e.g., Mikuni, Keihin) or possibly basic electronic fuel injection (EFI) for later models. The manual will detail the specific system.
Fuel Type:
Unleaded gasoline
Transmission Type:
Automatic Continuously Variable Transmission (CVT) with V-belt drive is standard for this class of ATV.
Drive System:
Likely Rear-wheel drive (2WD), though 4WD variants might exist for other Kymco models.
Optional Transmission:
Not typically offered for this class/model.
Clutch Type:
Automatic centrifugal clutch integrated with the CVT.
Gear Reduction:
Includes final reduction gearing for torque multiplication.
Overall Length:
Specifics not provided, but typically in the 65-75 inch range for a 125cc ATV.
Overall Width:
Specifics not provided, but typically in the 35-45 inch range.
Overall Height:
Specifics not provided, but typically in the 40-45 inch range.
Wheelbase:
Specifics not provided, but crucial for handling characteristics.
Dry Weight:
Likely in the 250-350 lb range. Specifics not provided.
Payload Capacity:
Not typically a primary specification for recreational ATVs, but will be covered if relevant to cargo rack capacity.
Safety Certifications:
Likely meets relevant ATV safety standards for its intended market (e.g., ANSI/SVIA in the US).
Braking System:
Front and rear disc brakes (hydraulic) are typical. Manual will detail specific caliper types and fluid.
Parking Brake:
Likely a lever-actuated parking brake, often integrated with the rear brake system.
Lighting:
Headlights, taillight, brake light. Manual covers bulb replacement and wiring.
Throttle Limiter:
May include a thumb throttle with adjustable tension or governor for novice riders. Manual will cover adjustment.
Instrument Panel:
Includes basic indicators for speed, engine status (warning lights), neutral, high beam. Manual covers bulb replacement and diagnostics.
Throttle Control:
Thumb throttle with safety stop screw adjustment. Manual details its function and adjustment.
Charging Ports:
May include a 12V accessory outlet for charging small electronics. Manual covers its wiring.
Oil Change Interval:
Typically every 1000-1500 miles or 6-12 months, depending on usage. Manual provides precise intervals and type of oil.
Air Filter Maintenance:
Regular inspection and cleaning/replacement, especially in dusty conditions. Manual will specify frequency and type.
Spark Plug Maintenance:
Inspection and gap check at regular intervals, replacement as needed. Manual will specify plug type and gap.
Cv Belt Inspection:
Critical inspection for wear and damage, often recommended every few thousand miles or annually. Manual will detail procedures.
Differential Oil Change:
If equipped with a sealed rear differential, it may not require regular changes but will have inspection points. Manual will confirm.
Engine Oil Type:
Likely SAE 10W-40 or similar motorcycle/ATV specific oil. Manual will provide exact API/JASO rating and viscosity.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid. Manual specifies the exact type and replacement intervals.
Gear Oil Type:
Specific gear oil or transmission fluid for the final drive. Manual will specify viscosity and capacity.
Common Wear Items:
CVT belt, brake pads, tires, suspension bushings, and wheel bearings are common wear items on ATVs. Manual addresses inspection and replacement of these.
Carburetor Tuning Issues:
Carbureted models may require periodic tuning due to altitude or fuel variations. Manual provides adjustment procedures.
Kymco Heritage:
Kymco (Kwang Yang Motor Co., Ltd.) is a Taiwanese manufacturer known for producing scooters, motorcycles, and ATVs. They are a major global player, often supplying engines or vehicles for other brands as well.
Mxer Series History:
The Mxer line typically represents Kymco's sportier ATV offerings, designed for agile handling and performance rather than pure utility. Specific model year updates would be detailed in more focused documentation.
Manufacturing Location:
Kymco vehicles are primarily manufactured in Taiwan.
