Target Audience:
DIY enthusiasts and Kymco Mongoose KXR 90/50 owners seeking to perform maintenance and repairs.
Value Proposition:
Provides significant cost savings compared to professional service and ensures proper maintenance for longevity.
Manual Benefits:
Enables owners to understand their vehicle better, perform routine maintenance, and tackle repairs efficiently.
Accessibility:
Instant download eliminates shipping costs and waiting times.
Primary Coverage:
Kymco Mongoose KXR 90 and KXR 50 models
Estimated Page Count:
Not specified, but comprehensive coverage implies hundreds of pages
Manual Type:
Workshop Service Repair Manual
Device Compatibility:
All Versions of Windows & Mac, APP ISO, iPhone, iPod, Android
Software Requirements:
Adobe PDF Reader
Engine Mechanical:
Cylinder Head/Valves, Cylinder/Piston, Crankcase/Crankshaft, Engine Removal/Installation
Fuel System:
Fuel System, Fuel Pump, Fuel Tank, Carburetor
Lubrication Cooling:
Lubrication System, Cooling System
Drivetrain:
Drive And Driven Pulley, Final Reduction
Electrical Ignition:
A.C. Generator/Starter Clutch, Ignition System, Battery/Charging System, Electric Starter
Chassis Suspension:
Steering Handlebar, Front Wheel/Front Shock Absorber, Rear Fork/Rear Wheel/Rear Shock Absorber
Bodywork:
Frame Covers/Exhaust Muffler
Electrical Components:
Lights/Meters/Switches, Wiring Diagrams
General Maintenance:
Inspection/Adjustment, Lubrication, Fluid Changes
Engine Repair:
Complete engine disassembly, reassembly, and component replacement procedures
Transmission Repair:
Pulley system inspection, adjustment, and component replacement
Electrical Diagnostics:
Troubleshooting for charging, ignition, starting, and lighting systems with detailed wiring diagrams
Chassis Repair:
Steering, suspension, wheel, and brake system maintenance and repair
Depth Of Coverage:
Comprehensive, suitable for both DIY enthusiasts and professional technicians. Covers from basic inspections to complex overhauls.
Diagnostic Information:
Includes troubleshooting guides and diagnostic procedures for common issues.
Rebuild Procedures:
Detailed instructions for complete engine, transmission, and component rebuilds.
Diagrams Illustrations:
High-quality diagrams and illustrations for clarity and accuracy.
Engine Type 90:
Likely a 2-stroke, air-cooled engine (typical for this class of ATV). Specific displacement and design details would be in the manual.
Engine Type 50:
Likely a 2-stroke, air-cooled engine (typical for this class of ATV). Specific displacement and design details would be in the manual.
Horsepower Estimate 90:
Typically in the 5-7 HP range for a 90cc 2-stroke, but specific figures require manual confirmation.
Horsepower Estimate 50:
Typically in the 3-5 HP range for a 50cc 2-stroke, but specific figures require manual confirmation.
Fuel Delivery:
Carburetor
Fuel Type:
Unleaded gasoline (specific octane rating would be in the manual)
Ignition System:
CDI (Capacitor Discharge Ignition)
Transmission Type:
Automatic (CVT - Continuously Variable Transmission) with primary and driven pulleys
Optional Transmission:
N/A (typically single speed automatic for this class)
Drive System:
Chain drive to rear wheel (common for this ATV class)
Transmission Fluid:
Specific fluid type and capacity would be detailed in the manual, often a light weight gear oil for the final drive.
Overall Length:
Not specified, but typically compact for youth ATVs.
Overall Width:
Not specified, but typically narrow for maneuverability.
Overall Height:
Not specified.
Dry Weight:
Not specified, but expected to be under 200 lbs for this class.
Ground Clearance:
Not specified, but designed for light off-road use.
Front Tire Size:
Likely 16x7-8 or similar (specifics in manual)
Rear Tire Size:
Likely 16x7-8 or similar (specifics in manual)
Wheel Bolt Pattern:
Likely 4x110mm or similar (specifics in manual)
Atv Safety Classification:
Designed as a youth ATV, emphasis on user safety and proper operation.
Brakes:
Front and rear drum brakes or possibly front disc/rear drum (manual to confirm specifics).
Throttle Limiter:
Often equipped with a throttle limiter screw for younger riders (details in manual).
Handguards:
Likely equipped with basic handguards for rider protection.
Lighting:
Headlights, taillight, and brake light for visibility.
Oil Change Interval:
Typically every 1000-1500 km or annually, but specific interval for gearbox oil and 2-stroke oil (if applicable) would be in the manual.
Air Filter Cleaning:
Frequent checks recommended, cleaning/replacement based on operating conditions (details in manual).
Spark Plug Replacement:
Typically every 3000-5000 km, but requires manual confirmation of type and gap.
Engine Oil Type:
Likely SAE 10W-40 or 10W-30, API SG or higher (specifics in manual).
Coolant Type:
If liquid-cooled, typically ethylene glycol-based coolant. The KXR 90/50 is likely air-cooled, so this may not apply.
Brake Fluid Type:
DOT 3 or DOT 4, depending on the system (manual to confirm).
Common Wear Items:
Drive belts, brake pads, suspension bushings, and carburetor jets can be common wear items on ATVs of this age and type.
Carburetor Cleaning:
Carburetors on smaller 2-stroke engines can be prone to gumming up if fuel is left standing for extended periods, requiring regular cleaning.
Kymco Heritage:
Kymco (Kwang Yang Motor Co., Ltd.) is a Taiwanese company known for producing motorcycles, scooters, ATVs, and utility vehicles.
Mongoose Series:
The Mongoose series represents Kymco's line of sport ATVs, with the KXR 90/50 specifically targeted at younger riders.
Production Period:
The KXR 90/50 has been in production for several years, with minor updates and variations across model years. Specific production years covered by this manual are not stated but are likely to encompass a significant range.
Brand Awards:
Kymco has received various industry awards for its products, though specific awards for the Mongoose KXR 90/50 are not detailed in the product information.
Product Reviews:
Owner reviews often highlight the Kymco Mongoose line for its affordability and suitability for youth riders, with performance generally considered adequate for its intended purpose.
Safety Certifications:
Likely meets relevant safety standards for ATVs in its target markets.
