Target User:
KYMCO Mongoose KXR 250 owners, service technicians, ATV enthusiasts.
Purpose:
To provide definitive guidance for maintenance, repair, and parts identification of the KYMCO Mongoose KXR 250.
Value Proposition:
Combines service repair and parts catalog, offering a complete solution for vehicle upkeep and parts ordering.
Content Scope:
Covers all systems, maintenance, and repairs for comprehensive vehicle care.
Visual Aid Quality:
Extensive use of high-quality photographs and detailed wiring diagrams for clarity.
Engine:
Complete overhaul, diagnostics, tuning, cooling system, lubrication system, fuel system, ignition system, exhaust system.
Transmission:
Clutch, gearbox, final drive, lubrication, maintenance, repair.
Electrical:
Battery, charging system, starting system, ignition system, lighting, instruments, wiring diagrams, diagnostic procedures.
Chassis:
Frame, suspension (front and rear), steering system, wheels, tires, braking system.
Bodywork:
Body panels, fenders, seat, handlebars, controls, aesthetic components.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, brake fluid changes, spark plug replacement.
Repair:
Engine rebuild, transmission repair, suspension overhaul, electrical troubleshooting and repair, brake caliper rebuild, carburetor adjustment.
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting for engine, electrical, and mechanical issues.
Disassembly Reassembly:
Step-by-step instructions with detailed photographic guidance for complete disassembly and reassembly of all major components.
Depth Level:
Comprehensive (from basic user maintenance to advanced engine and electrical diagnostics and repair).
Documentation Type:
Factory-level specifications and procedures.
Visuals:
Hundreds of high-quality photos and detailed wiring diagrams.
Engine Type:
Single-cylinder, 4-stroke, SOHC (Specific details subject to model year variations, typically liquid-cooled).
Displacement:
Approximately 230-250cc (Exact cc will be detailed within the manual).
Bore X Stroke:
Detailed specifications provided in manual.
Compression Ratio:
Detailed specifications provided in manual.
Horsepower:
Estimated 15-18 HP (Manual will confirm specific output).
Torque:
Estimated 16-19 Nm (Manual will confirm specific output).
Fuel Delivery:
Carburetor (likely Mikuni or Keihin) or Fuel Injection (specific to model year). Manual will detail exact system.
Fuel Type:
Unleaded gasoline (Regular grade).
Fuel Capacity:
Typically around 9-10 liters. Manual will provide exact capacity.
Oil Type:
API SG or higher, SAE 10W-40 or 20W-50 (Manual will specify exact viscosity and API classification).
Oil Capacity:
Approximately 1.5-1.8 liters with filter change. Manual will provide exact figure.
Cooling Method:
Liquid-cooled (Radiator and fan).
Coolant Type:
Ethylene glycol-based antifreeze mixture (50/50 ratio with distilled water recommended). Manual will specify exact type.
Transmission Type:
Automatic (CVT - Continuously Variable Transmission) with Reverse.
Drive System:
2WD (Rear-wheel drive).
Clutch Type:
Automatic centrifugal clutch.
Final Drive:
Sealed O-ring chain drive. Manual will specify chain type and pitch.
Transmission Fluid Type:
Specific CVT fluid or ATF (Automatic Transmission Fluid) as per manufacturer. Manual will specify exact type and capacity.
Length:
Typically around 1700-1800 mm. Manual will provide precise dimensions.
Width:
Typically around 1000-1100 mm. Manual will provide precise dimensions.
Height:
Typically around 1100-1200 mm. Manual will provide precise dimensions.
Curb Weight:
Estimated 170-190 kg. Manual will provide exact weight.
Payload Capacity:
Typically around 100-120 kg. Manual will provide exact capacity.
Towing Capacity:
N/A for most KXR models as they are not designed for towing.
Front Tire Size:
Typically 21x7-10 or similar. Manual will specify exact size and recommended pressure.
Rear Tire Size:
Typically 20x10-9 or similar. Manual will specify exact size and recommended pressure.
Wheel Bolt Pattern:
4x110 mm (common for many ATVs of this era). Manual will confirm.
Safety Certification:
Meets relevant ATV safety standards for its production era. Specific certifications detailed in manual if applicable.
Braking System:
Hydraulic disc brakes (front and rear). Manual will detail caliper types, rotor specifications, and fluid type.
Parking Brake:
Mechanical parking brake, typically on rear caliper or a separate drum. Manual will specify.
Lighting:
Headlights, taillight/brake light, often indicator lights. Bulb types and specifications in manual.
Handlebars:
Ergonomic design with comfortable grip materials. Lever adjustment details in manual.
Throttle Control:
Thumb throttle with safety stop. Adjustment and lubrication in manual.
Frame Construction:
Steel tube frame for rigidity and durability. Frame inspection and repair covered in manual.
Display Panel:
Basic digital instrument cluster displaying speed, odometer, trip meter, fuel gauge (if equipped), and indicator lights. Detailed specifications in manual.
Vehicle Stability:
No active electronic stability control systems typically found on models of this era. Relies on rider skill and mechanical grip.
Charging Port:
May include a 12V DC auxiliary power outlet for charging small devices. Manual will specify location and fuse rating.
Oil Change Interval:
Typically every 1,000-2,000 km or 6 months. Manual will specify exact interval based on usage.
Air Filter Cleaning:
Every 500-1,000 km or as needed based on dust conditions. Manual will detail cleaning/replacement procedure.
Spark Plug Replacement:
Typically every 5,000-10,000 km or as per wear inspection. Manual will list correct plug and gap.
Brake Fluid Change:
Every 1-2 years or as per condition. Manual will specify fluid type and bleeding procedure.
Engine Oil Grade:
SAE 10W-40 or 20W-50 (API SG or higher). Manual is the definitive source.
Coolant Specification:
50/50 mix of ethylene glycol antifreeze and distilled water. Manual will confirm type.
Brake Fluid Specification:
DOT 3 or DOT 4. Manual will specify exact requirement.
Common Wear Items:
CVT belt wear, brake pad wear, chain and sprocket wear, front suspension bushings.
Electrical Gremlins:
Wiring harness integrity can be an issue on older models; manual's wiring diagrams are critical for diagnosis.
Carburetor Tuning:
Carburetor can require periodic cleaning and adjustment for optimal performance, especially after storage or fuel changes.
Manufacturer:
KYMCO (Kwang Yang Motor Co., Ltd.), a Taiwanese manufacturer known for scooters, motorcycles, and ATVs.
Kx Series:
The KXR series represents KYMCO's line of sporty, recreational ATVs, often targeted at younger riders or as entry-level to mid-range options.
Production Period:
The Mongoose KXR 250 was popular in the early to mid-2000s. Specific model year coverage should be confirmed by manual's introduction or VIN data.
Manufacturing Location:
Taiwan.
Industry Awards:
Specific industry awards for the Mongoose KXR 250 are not widely publicized, but KYMCO vehicles generally receive positive reviews for value and performance within their respective market segments.
Consumer Satisfaction:
Based on user forums and reviews, satisfaction generally correlates with proper maintenance and use within its design parameters. Manual's guidance is key to long-term satisfaction.
Emissions Compliance:
Likely complies with EPA and relevant emissions standards for its production year. Specific details are often found on a compliance label on the vehicle itself and may be referenced in the manual.