Kymco Mongoose KXR 90 50 Service Manual

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UGS: 49720

Mots clés: Atv Kymco Mongoose Mongoose KXR 50 Mongoose KXR 90 Motorcycles

Variantes de produits

Description

The Mongoose KXR 90/50, model LA20AB, is a recreational All-Terrain Vehicle designed for the entry-level youth segment. Built by a reputable Taiwanese manufacturer with a strong presence in the powersports industry, this ATV offers a reliable and engaging platform for younger riders to learn essential operational skills. Its design emphasizes a sturdy frame, protective body panels, and user-friendly controls, making it a suitable choice for recreational riding. The Mongoose KXR series generally targets beginner riders and competes with similar offerings from major manufacturers, providing a balance of performance and accessibility. This comprehensive Service Manual / Workshop Manual in English provides detailed technical information for the Mongoose KXR 90/50. It covers routine maintenance schedules, systematic troubleshooting guides, and step-by-step repair procedures for all major vehicle systems, including the engine, drivetrain, fuel system, brakes, and electrical components. The manual also includes critical technical specifications, such as torque values and fluid capacities, along with complete electrical wiring diagrams. Its workshop-level depth is designed to assist owners, mechanics, and technicians in effectively maintaining, diagnosing, and repairing the ATV, ensuring its optimal performance and longevity.

🏷️ Basic Information

Identification

Make:

Kymco

Model:

Mongoose KXR 90/50

Model Number:

LA20AB

Vehicle Type:

ATV (All-Terrain Vehicle)

👋 Introduction

Market Position

Vehicle Segment:

Entry-level youth ATV segment, catering to beginner riders and younger enthusiasts.

Competitive Analysis

Key Competitors:

Competes with similar offerings from brands like Yamaha (Grizzly 80/90), Honda (TRX90), and Polaris (Outlaw 90).

Key Features

Target Audience:

Designed for recreational riding and learning essential ATV operation skills for younger riders.

Manual Value Proposition:

Provides professional-grade repair and maintenance information, mirroring dealer service manuals, enabling owners to perform extensive work themselves.

📋 Manual Details

Coverage

Manual Type:

Service Manual / Workshop Manual

Language:

English

Format:

PDF Download

Compatibility:

All Versions of Windows & Mac

Availability:

Instant Download

📖 Manual Coverage

Systems Covered

General Information:

Comprehensive overview of the vehicle, including identification, specifications, and safety precautions.

Exhaust Muffler Frame Covers:

Detailed procedures for inspection, removal, installation, and maintenance of exhaust components and body panels.

Inspection Adjustment:

Routine checks and adjustments for various vehicle systems to ensure optimal performance and safety.

Lubrication System:

Information on lubricant types, capacities, replacement intervals, and troubleshooting for the lubrication system.

Engine Removal Installation:

Step-by-step instructions for safely removing and reinstalling the engine unit.

Cylinder Head Valves:

Detailed procedures for cylinder head disassembly, valve inspection, adjustment, and reassembly.

Cylinder Piston:

Information on cylinder bore, piston inspection, ring replacement, and piston assembly.

Drive Driven Pulleys Kick Starter:

Procedures for servicing and repairing the CVT (Continuously Variable Transmission) system components, including pulleys and the kick starter mechanism.

Final Reduction:

Details on the final drive system, including gear inspection, lubrication, and seals.

Ac Generator Starter Clutch:

Servicing and troubleshooting for the electrical generating system and the starter clutch.

Crankcase Crankshaft:

Procedures for crankcase disassembly, crankshaft inspection, bearing replacement, and reassembly.

Cooling System:

Information on coolant types, capacities, flushing procedures, and troubleshooting for the cooling system.

Fuel System Carburetor Fuel Pump Fuel Tank:

Comprehensive coverage of fuel delivery, including carburetor adjustment and cleaning, fuel pump testing, and fuel tank maintenance.

Steering Handlebar Front Wheel Front Brake Front Shock ABSorber Front Fork:

Detailed procedures for steering system maintenance, front brake caliper and rotor service, and front suspension fork disassembly and repair.

Rear Brake Rear Fork Rear Wheel Rear Shock ABSorber:

Servicing of the rear braking system, rear swingarm inspection, rear wheel bearing maintenance, and rear shock absorber adjustments.

Battery Charging System:

Information on battery testing, charging procedures, and troubleshooting of the vehicle's charging system.

Ignition System:

Diagnosis and repair of the ignition system, including spark plug, coil, and CDI unit testing.

Starting System:

Troubleshooting and repair of the electric and kick start systems.

Switches Horn Fuel Unit Thermo Static Switch Temperature Gauge Instruments Lights:

Coverage of all electrical switches, accessories, sensors, instrumentation, and lighting systems.

Procedures Included

Routine Maintenance:

Detailed schedules and procedures for oil changes, filter replacements, chain adjustment, brake checks, and other regular services.

Troubleshooting:

Systematic diagnostic guides for identifying and resolving common and uncommon vehicle issues.

Repair Procedures:

Step-by-step instructions for disassembly, repair, and reassembly of all major vehicle components.

Technical Specifications:

Inclusion of all critical specifications such as torque values, clearances, fluid capacities, and electrical parameters.

Wiring Diagrams:

Complete electrical wiring diagrams for easy troubleshooting and component identification.

Technical Depth

Depth Of Coverage:

Complete workshop level, suitable for professional technicians and advanced DIY mechanics. Covers everything from basic adjustments to complete engine rebuilds.

📊 Manual Specifications

File Attributes

File Format:

Searchability:

Likely searchable text within the PDF for efficient information retrieval.

Print Quality:

High-resolution, suitable for printing individual pages or the entire document.

Binding Type:

Not Applicable (Digital Download)

Paper Type:

Not Applicable (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Air-cooled, four-stroke, single-cylinder engine (specific displacement dependent on 50cc or 90cc variant).

Performance

Estimated Horsepower:

Approx. 5-8 HP for 90cc model (specific figures vary).

Estimated Torque:

Torque figures not explicitly provided but suitable for its class.

Fuel System

Carburetor Type:

CVK Carburetor (specific model likely Mikuni or Keihin).

Fuel Requirement:

Unleaded gasoline

Lubrication

Oil Type:

SAE 10W-40 or 20W-40 Motorcycle Specific Oil (API SG or higher recommended).

Oil Capacity:

Approx. 0.8-1.0 Liters (check manual for exact specification).

🔧 Transmission

Standard

Transmission Type:

CVT (Continuously Variable Transmission) with automatic clutch.

Features

Drive Type:

Shaft Drive

Final Drive:

Gear Reduction

📐 Dimensions

Exterior

Overall Length:

Approximately 1450 mm (57.1 in)

Overall Width:

Approximately 880 mm (34.6 in)

Overall Height:

Approximately 920 mm (36.2 in)

Weights

Dry Weight:

Approximately 90-100 kg (198-220 lbs) (check manual for exact specification).

Ground Clearance:

Approximately 100-120 mm (3.9-4.7 in) (check manual for exact specification).

🛡️ Safety Features

Ratings

Safety Certification:

Designed to meet relevant ATV safety standards for its class.

Active Features

Brakes:

Front and Rear Drum Brakes (some variants may have disc brakes).

Lighting:

Headlights, Taillight, and Brake Light.

Passive Features

Chassis Design:

Sturdy frame construction with integrated footwells and protective body panels.

Handlebar Design:

Handlebar with protective grips and controls for rider safety.

💡 Technology Features

Infotainment

Infotainment System:

Basic instrumentation: speedometer (if equipped), odometer, neutral indicator, high-beam indicator, oil warning light.

Driver Assistance

Driver Assistance Features:

None (designed for basic recreational operation).

Connectivity

Connectivity Features:

None.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 1,000 km or 6 months (typical for this class; refer to manual).

Spark Plug Replacement:

Inspect every 2,000 km, replace as needed (check manual for specific type/gap).

Air Filter Cleaning:

Clean every 1,000 km, replace as needed.

Fluid Specifications

Brake Fluid:

DOT 3 or DOT 4 Brake Fluid.

Coolant Type:

Ethylene Glycol based Antifreeze/Coolant (specific mixture ratio required).

Known Issues

Common Wear Items:

CVT belt wear, carburetor jetting issues, brake pad/shoe wear, battery degradation.

Electrical Connections:

Corrosion or looseness in electrical connectors due to exposure to elements.

📚 Vehicle History

Brand Heritage

Kymco Heritage:

Kymco (Kwang Yang Motor Co., Ltd.) is a Taiwanese company known for its production of scooters, motorcycles, ATVs, and utility vehicles. They are a significant global player in the powersports industry.

Model Evolution

Mongoose Kx Series:

The Mongoose series represents Kymco's line of recreational ATVs, often targeting younger riders or those entering the ATV market. The KXR variant is typically a sportier-oriented model within this lineup.

Production

Production Period:

Likely produced in the 2000s and early 2010s, a common period for this class of youth ATVs.

🏆 Awards & Recognition

Recognitions

Industry Awards:

No specific industry awards are readily documented for this particular model, but Kymco generally receives positive reviews for value and reliability in its class.