This manual provides comprehensive technical information for the Mongoose / KXR, model codes LA50AA/AB, an All-Terrain Vehicle (ATV) designed for sport and recreational use. Produced likely during the 2000s and early 2010s, these ATVs are recognized for their balance of performance and maneuverability within the 250cc class. A reputable Taiwanese manufacturer, is known for producing reliable powersports vehicles, and the Mongoose/KXR series offers an accessible option for off-road enthusiasts. The vehicle typically features a single-cylinder, 4-stroke engine, automatic CVT transmission, and robust chassis components designed for durability and responsive handling on varied terrain.
The Mongoose/KXR 250 Service Repair Manual is an essential resource for maintaining, troubleshooting, and repairing your ATV. This comprehensive English-language document covers all major vehicle systems, including the engine, fuel system, transmission, brakes, suspension, steering, and electrical components. It details routine maintenance operations, component identification, unit repair procedures, and critical service specifications. By providing step-by-step guidance on everything from basic inspections and lubrication to engine disassembly and electrical system diagnostics, this manual empowers owners and technicians to ensure optimal performance, longevity, and safe operation of their Mongoose or KXR ATV.
Vehicle Type:
ATV (All-Terrain Vehicle)
Manual Product Name:
KYMCO Mongoose/KXR 250 Service Repair Manual Download
Category:
Sport/Recreational ATV
Competitors:
Similar 250cc class ATVs from brands like Yamaha (e.g., Warrior 250), Honda (e.g., TRX250EX), Suzuki (e.g., QuadSport Z250).
Vehicle Focus:
Designed for off-road recreation, offering a balance of performance and maneuverability for its class.
Benefit:
Enables owners and technicians to perform a wide range of maintenance, troubleshooting, and repair tasks, reducing reliance on dealerships and improving vehicle longevity.
Method:
Instant download, eliminating shipping costs and wait times.
Main Topics:
Maintenance operations, component identification, unit repair, service specifications
Specific Chapters:
General Information, Frame Covers/Exhaust Muffler, Inspection/Adjustment, Lubrication System, Fuel System, Engine Removal, Cylinder Head/Valves, Cylinder/Piston, Drive and Driven Pulleys, Final Reduction/Transmission System, Crankcase/Crankshaft/Balance Shaft, Cooling System, Brake System, Front Wheel/Front Suspension/Steering System, Rear Wheel/Axle/Suspension, Battery/Charging System/A.C. Generator, Ignition System, Starting System, Bulbs Removal/Instrument/Horn
Estimated Page Count:
Varies, but comprehensive coverage typically indicates 200+ pages for this type of manual.
Type:
Service Repair Manual
Powertrain:
Engine, fuel system, lubrication, cooling, transmission, drive pulleys, final reduction
Chassis:
Frame, suspension (front and rear), steering, wheels, brakes
Electrical:
Ignition system, starting system, charging system (battery, A.C. generator), lighting, instrumentation, horn
Maintenance:
Routine inspections, adjustments, lubrication, fluid changes
Repair:
Engine disassembly/assembly (cylinder head, cylinder, piston, crankcase), transmission repair, brake system overhaul, suspension component replacement, steering system rebuild
Diagnostics:
Troubleshooting common issues related to engine performance, electrical systems, and mechanical components (implied by 'unit repair' and detailed system coverage)
Depth:
Comprehensive, covering basic to advanced repair and maintenance procedures for all major vehicle systems.
Quality:
High Quality PDF
Printability:
All pages are printable
Searchability:
Assumed to be searchable text within the PDF.
Type:
Digital Download (No physical binding)
Type:
N/A (Digital format)
Type:
Likely a 250cc class, single-cylinder, 4-stroke internal combustion engine. Specific configuration (e.g., SOHC, DOHC) would be detailed in the manual.
Displacement:
Approximately 250cc (exact value to be confirmed in manual, e.g., 230cc, 249cc).
Horsepower Range:
Estimated 15-20 HP, typical for this displacement and ATV class.
Torque Range:
Estimated 12-16 lb-ft, providing adequate low-end torque for off-road use.
Delivery:
Likely carburetor-fed (specific model and jetting details in manual) or potentially early fuel injection on later models. Manual will specify.
Type:
Likely air-cooled, with potential for oil cooling or a small fan assist. Manual will confirm.
Type:
CDI (Capacitor Discharge Ignition) is standard for this era and type of vehicle. Manual will detail timing and components.
Type:
Wet sump lubrication system. Manual will specify oil type, viscosity, and capacity.
Type:
Automatic transmission with Continuously Variable Transmission (CVT) drive and driven pulleys.
Type:
Not applicable for this model type; CVT is standard.
Drive System:
Shaft drive or chain drive to rear axle, typically with a limited-slip differential or open differential. Manual will specify.
Reverse Gear:
Likely equipped with reverse gear as standard for utility and maneuverability.
Length:
Typically around 70-75 inches (1778-1905 mm).
Width:
Typically around 45-50 inches (1143-1270 mm).
Height:
Typically around 40-45 inches (1016-1143 mm).
Dry Weight:
Estimated 400-450 lbs (181-204 kg). Exact dry weight will be in the manual.
Payload Capacity:
Typically around 200-250 lbs (90-113 kg) for rider and luggage. Manual will detail.
Towing Capacity:
Often limited or not recommended for ATVs of this class; manual will specify if any capacity exists.
Crash Test Data:
N/A (ATVs are not typically subjected to standardized crash testing like passenger vehicles).
Braking System:
Hydraulic disc brakes on front and rear wheels. Manual will detail rotor sizes, caliper types, and fluid specifications.
Suspension:
Independent front suspension (likely A-arms) and swingarm rear suspension with adjustable shocks for ride height and damping. Manual will specify adjustment procedures.
Lighting:
Headlights, taillight, brake light. Manual details bulb types and replacement procedures.
Instrumentation:
Speedometer, odometer, neutral indicator, high beam indicator. Manual covers instrument cluster removal and maintenance.
Features:
Minimal to non-existent. ATVs of this class focus on core functionality, not entertainment systems. Instrumentation is basic.
Features:
None typically found on ATVs of this nature. Focus is on rider control and mechanical feedback.
Oil Change:
Typically every 1000-2000 miles or 6-12 months, depending on usage. Manual will provide precise intervals and conditions.
Air Filter Cleaning:
Frequent inspection and cleaning, especially in dusty conditions. Replacement intervals will be specified.
Spark Plug Replacement:
Typically every 6,000-12,000 miles. Manual will specify plug type and gap.
Engine Oil Type:
Likely SAE 10W-40 or 10W-30 motorcycle-specific oil with JASO MA rating. Manual will confirm exact specification and capacity.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid. Manual will specify the correct type and bleed procedures.
Coolant Type:
If liquid-cooled, would require a glycol-based antifreeze. Manual will specify type and mixture ratio.
Common Wear Items:
CVT belt wear, suspension bushings, wheel bearings, brake pad wear are common consumables on ATVs. The manual will guide on inspection and replacement.
Carburetor Tuning:
Carburetors can sometimes require cleaning and adjustment due to fuel quality or age. Manual details jetting and adjustment procedures.
Electrical Connections:
Corrosion or loose connections in the electrical system can lead to intermittent faults. Manual covers component locations and wiring diagrams.
Manufacturer:
KYMCO (Kwang Yang Motor Co., Ltd.) is a Taiwanese company known for manufacturing scooters, motorcycles, ATVs, and engines. They are a significant global player in the powersports industry.
Development:
The Mongoose and KXR lines represent KYMCO's offering in the entry-level to mid-range sport/recreational ATV segment, focusing on reliable performance and accessible pricing. Specific model year updates would be detailed in broader technical bulletins, but this manual covers the core mechanics.
Era:
Likely produced during the 2000s and early 2010s, a common period for this class of 250cc ATVs.
Industry Accolades:
Specific awards for the Mongoose/KXR 250 are not widely publicized, but KYMCO generally receives positive reviews for value and reliability within its market segments.
Consumer Reviews:
Owners often praise their capability for trail riding and recreational use, though performance may be less aggressive than higher-end sport ATVs. Manual assists in maintaining optimal performance.
Manufacturing Standards:
KYMCO adheres to international manufacturing standards, which would be reflected in the quality and detail of the service manual.