Category:
Performance/Sport ATV
Competitors:
Yamaha Blaster, Suzuki LT-Z250, Honda TRX250X
Vehicle Type:
Sporty, agile, capable off-road ATV
Manual Benefit:
Empowers owners and technicians with the knowledge for efficient maintenance, diagnosis, and repair, saving time and money.
Manual Value Proposition:
Provides critical technical data and procedures to maintain and repair the Kymco KXR 250 Mongoose, ensuring longevity and optimal performance.
Engine:
Complete engine overhaul, diagnosis, tuning, components (cylinder, piston, valves, camshaft, crankshaft, lubrication system, cooling system)
Transmission:
Automatic transmission (CVT), clutch, final drive, gears, bearings
Chassis Frame:
Frame inspection, repair, suspension components (shocks, A-arms, linkages), steering system
Brakes:
Brake system diagnosis, repair, bleeding, pad replacement, caliper service, master cylinder service
Electrical System:
Wiring diagrams, battery, starter, alternator, ignition system, lighting, fuses, switches, sensors, ECU (Engine Control Unit)
Fuel System:
Carburetor (or fuel injection if applicable), fuel pump, fuel filter, fuel lines, fuel tank
Exhaust System:
Exhaust manifold, muffler, catalytic converter (if applicable)
Bodywork Trim:
Body panels, fenders, seats, handle bars, controls
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, brake checks, tire pressure
Troubleshooting:
Diagnostic charts, fault identification, common problems and solutions
Repair:
Step-by-step repair instructions for all major components and systems
Disassembly Assembly:
Detailed instructions for complete teardown and reassembly of all vehicle systems
Carburetor Tuning:
Detailed instructions for cleaning, rebuilding, and adjusting the carburetor for optimal performance and fuel mixture.
Suspension Adjustment:
Guidance on adjusting front and rear suspension for different terrain and rider preferences.
Depth:
Comprehensive: Covers basic to advanced diagnostics, routine maintenance, and complete engine/component rebuilds.
Diagnostic Tools:
Covers identification of faults through observation, listening, and basic electrical testing (multimeter usage).
Engine Type:
4-stroke, SOHC, liquid-cooled
Displacement:
230cc - 249cc (exact model dependent)
Bore X Stroke:
Specific to model (e.g., 69.5 mm x 63.0 mm)
Horsepower Estimated:
~18-20 HP (at flywheel)
Torque Estimated:
~14-16 lb-ft
Fuel Delivery:
Carburetor (e.g., Mikuni VM26)
Fuel Type:
Unleaded gasoline
Ignition System:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Liquid-cooled
Crash Safety:
N/A (ATVs are not typically crash-tested like passenger vehicles; focus is on design for stability and control.)
Braking System:
Hydraulic disc brakes front and rear
Handlebar Design:
Ergonomic handlebars with protective grips
Manual Emphasis:
The manual will stress the importance of wearing appropriate safety gear (helmet, goggles, gloves, boots, protective clothing) and operating the ATV responsibly.
Oil Change Interval:
Every 100 hours or annually (refer to specific manual for precise interval)
Air Filter Cleaning:
As needed, based on operating conditions (e.g., every 20-40 hours)
Spark Plug Replacement:
Every 100-200 hours or annually
Engine Oil Type:
SAE 10W-40 API SG or higher (refer to manual for exact specification and capacity, typically around 1.5-2.0 liters)
Coolant Type:
Ethylene glycol-based antifreeze, 50/50 mix with distilled water
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid
Gear Oil Type:
SAE 80W-90 GL-4 or GL-5 hypoid gear oil (for final drive, capacity specified in manual)
Common Wear Items:
Brake pads, tires, drive chain/sprockets, wheel bearings, battery, carburetor jets
Potential Problems:
Carburetor clogging, electrical connector corrosion, starter motor issues (common in many ATVs if not maintained)
Manufacturer:
Kymco (Kwang Yang Motor Co., Ltd.) is a Taiwanese manufacturer known for scooters, motorcycles, and ATVs.
Lineage:
The KXR line is Kymco's sport ATV offering, competing in the recreational and entry-level performance segment.
Production Period:
Likely produced from the early to mid-2000s, with updates possible.