Target Market:
Entry-level youth ATV market, often used for recreational riding and light trail use.
Competitors:
Honda TRX90, Yamaha Raptor 90, Suzuki LT-Z90, Polaris Outlaw 90.
Vehicle Attributes:
Compact size, beginner-friendly operation, automatic transmission, typically a reliable 4-stroke engine.
Benefit To Owner:
Empowers owners to perform routine maintenance, diagnose issues, and carry out repairs, saving time and money while extending vehicle lifespan.
Professional Advantage:
Provides mechanics with precise specifications, procedures, and diagrams for efficient and accurate servicing.
Primary Coverage:
Maintenance and Repair Procedures
Target Audience:
Do-it-yourselfer and Experienced Mechanic
Estimated Page Count:
Refer to actual manual for exact count, typically 300-600 pages for comprehensive service manuals.
Manual Type:
Service and Repair Manual
Operating Systems:
Windows and macOS
Software Requirement:
Adobe PDF Reader
Engine Systems:
Lubrication System, Fuel System, Engine Removal and Installation, Cylinder Head and Valves, Cylinder Piston, Crankcase and Crankshaft
Drivetrain Systems:
Drive and Driven Pulleys, Kick Starter, Final Reduction
Chassis Suspension Brakes:
Front Wheel, Front Brake and Front Suspension, Rear Wheel, Rear Brake and Rear Suspension
Electrical Systems:
Battery Charging System and A.C. Generator, Ignition System, Starting System, Lights, Instruments and Switches
Emission Control Systems:
Evaporative Emission Control System, Exhaust Emission Control System
General Maintenance:
Inspection, Adjustment, Lubrication
Bodywork Frame:
Frame Covers, Exhaust Muffler
Maintenance Procedures:
Scheduled maintenance, fluid changes, lubrication, filter replacement, adjustments.
Repair Procedures:
Detailed step-by-step instructions for disassembly, assembly, and repair of all major components.
Troubleshooting:
Implicitly covered through diagnostic information and repair procedures for common issues.
Depth Of Coverage:
Comprehensive, from basic inspection and adjustment to complete engine and component overhauls.
Detail Level:
High level of detail with hundreds of photos and illustrations guiding each procedure.
Engine Family:
Likely a Kymco's proprietary air-cooled, 4-stroke scooter/ATV engine.
Displacement:
Approximately 49cc (as indicated by '50' in the model name).
Bore X Stroke:
Specifics to be detailed in the manual, but typically around 39mm x 41.4mm for 49cc air-cooled engines.
Compression Ratio:
Typically around 9.0:1 to 10.5:1 for this class of engine.
Horsepower:
Estimated 3-5 HP. Exact figures to be confirmed by manual.
Torque:
Specific figures not readily available, but generally low for this displacement, suitable for lightweight ATV operation.
Carburetor Type:
Likely a Mikuni or Keihin single-barrel carburetor, size around 18-20mm.
Fuel Type:
Unleaded gasoline, typically 87 octane (RGM).
Cooling Method:
Air-cooled.
Ignition Type:
CDI (Capacitor Discharge Ignition).
Transmission Type:
Automatic CVT (Continuously Variable Transmission) with forward, neutral, and reverse gears.
Optional Transmission:
N/A (CVT is standard for this model).
Drive System:
Chain drive to rear axle.
Final Drive Ratio:
Specific ratio to be detailed in the manual.
Length:
Approx. 1450 mm (57.1 in).
Width:
Approx. 900 mm (35.4 in).
Height:
Approx. 930 mm (36.6 in).
Wheelbase:
Approx. 980 mm (38.6 in).
Dry Weight:
Approx. 115 kg (253 lbs).
Gross Vehicle Weight Rating:
Specific GVWR to be detailed in the manual.
Front Tire Size:
Typically AT19 x 7-8.
Rear Tire Size:
Typically AT19 x 9.5-8.
Wheel Bolt Pattern:
Likely 4x110mm or similar for ATVs of this size.
Safety Certifications:
Complies with relevant safety standards for ATVs (e.g., ANSI/SVIA standards in North America).
Braking System:
Front and rear drum brakes or possibly a front disc/rear drum setup. Specifics in manual.
Parking Brake:
Typically a hand-operated parking brake.
Rollover Protection:
N/A (ATVs do not have integrated rollover protection like UTVs or cars).
Lighting:
Headlights, taillight, brake light.
Infotainment System:
Basic instrument cluster: speedometer, odometer, neutral indicator, high-beam indicator.
Driver Assistance Features:
N/A for this class of ATV.
Connectivity Options:
N/A.
Lighting Type:
Incandescent or Halogen bulbs for headlights, taillight, and brake lights.
Oil Change Interval:
Typically every 1,000-1,500 km or 6-12 months, depending on usage. Specifics in manual.
Air Filter Cleaning:
Recommended every 500-1000 km or annually. Specifics and cleaning methods in manual.
Spark Plug Replacement:
Generally recommended every 3,000-5,000 km or as per inspection.
Valve Clearance Adjustment:
Typically recommended at intervals of 3,000-6,000 km or as part of major engine service. Manual will provide precise intervals and procedure.
Engine Oil Type:
SAE 10W-40 or 20W-50 motorcycle/ATV specific engine oil, API SG or higher. Manual will specify exact grade.
Engine Oil Capacity:
Approximately 0.8 - 1.0 liters. Manual will provide exact capacity.
Gear Oil Type:
Likely a GL-4 or GL-5 gear oil for the final drive. Manual will specify.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid for hydraulic brakes (if equipped with disc brakes).
Coolant Type:
N/A (Air-cooled engine).
Common Wear Items:
Brake pads/shoes, tires, drive belt for CVT (if applicable), battery, spark plugs.
Potential Problems:
Carburetor clogging due to fuel storage, occasional electrical connection issues, wear on CVT components over high mileage. Manual will offer diagnostic steps.
Kymco Background:
Kymco (Kwang Yang Motor Co., Ltd.) is a Taiwanese company, a major manufacturer of scooters, motorcycles, and ATVs. Known for producing vehicles for other brands as well.
Mongoose Series:
The Mongoose line is Kymco's entry-level ATV series, often featuring smaller displacement engines for youth riders or recreational use. Updates typically involve cosmetic changes and minor mechanical refinements.
Production Years:
Specific production years for the Mongoose 50 vary, but it has been a consistent offering in Kymco's lineup for many years.
Manufacturing Location:
Primarily manufactured in Taiwan by Kymco.
