Target Audience:
Recreational riders, farmers, landowners and utility users seeking a mid-size 4x4 work ATV
Market Segment:
Mid-displacement utility ATV class
Key Advantage:
Taiwanese build quality with lower purchase and parts costs than Japanese rivals
Main Competitors:
Honda FourTrax Rancher 420, Yamaha Kodiak 450, Suzuki KingQuad 400/450
Drive:
Selectable 2WD/4WD with shaft drive
Load Capability:
Front and rear cargo racks
Towing:
Factory tow hitch for utility work
Manual Type:
Factory workshop service and repair manual as used by official dealer workshops
Coverage Areas:
All service and repair procedures, from spark plug replacement to complete engine rebuild
Page Count:
Thousands of pages of diagrams and detailed information
File Format:
PDF (Acrobat), Windows and MAC compatible
Delivery Method:
Instant digital download via the Download button
Wiring Diagrams:
Complete electrical diagrams included
Torque Data:
Torque settings and fluid capacities included
Bulletins:
Service bulletins included where applicable
Engine:
Complete teardown, inspection and rebuild procedures
Fuel System:
Carburetor / fuel injection service, tuning and specifications
Cooling System:
Radiator, coolant replacement and thermostat service
Lubrication:
Oil circuits, pump service and capacities
Electrical System:
Full wiring diagrams, charging and starting circuits
Ignition:
CDI system, spark plug and timing procedures
Transmission and Drive:
CVT, gearbox, final drive and shaft drive service
Front and Rear Suspension:
A-arm, shock and bushing removal and overhaul
Wheels and Tires:
Removal, inspection and specifications
Brakes:
Hydraulic disc brake service, pad and fluid replacement
Steering:
Steering column and knuckle service
Frame and Body:
Frame, racks, fenders and body panel procedures
Diagnostics:
Fault finding and troubleshooting charts for all systems
Step-by-Step Repair:
Detailed instructions with step-by-step diagrams for all workshop procedures
Scheduled Maintenance:
Complete service intervals and checklists
Torque Specifications:
Torque settings for every fastener
Fluid Capacities:
All fluid types and fill quantities
Special Tools:
Required special tools identified for each job
Author:
Written by the manufacturer - original factory content
Depth:
Everything from changing the plugs to rebuilding the engine
User Level:
Suitable for certified technicians and DIY owners alike
Part Numbers:
Factory part numbers referenced throughout the manual
Exploded Diagrams:
Detailed component diagrams and exploded views
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Primary Engine:
4-stroke SOHC single cylinder
Displacement:
Approximately 500cc class, year specific
Valvetrain:
Single overhead camshaft
Rated Output:
N/A - verify exact figures in the manual for your model year
Torque:
N/A - verify exact figures in the manual for your model year
Fuel Delivery:
Carbureted on early models, fuel injected on later models
Fuel Type:
Unleaded gasoline
Standard Transmission:
CVT automatic with forward, neutral and reverse
Drive System:
Shaft drive with selectable 2WD/4WD
Optional Transmission:
N/A - CVT automatic fitted across the model range
Features:
Automatic centrifugal clutch, low-maintenance belt drive
Wheelbase:
N/A - confirm in the specifications section of the manual for your model year
Overall Length:
N/A - confirm in the specifications section of the manual for your model year
Ground Clearance:
N/A - confirm in the specifications section of the manual for your model year
Curb Weight:
N/A - confirm in the specifications section of the manual for your model year
Load Capacity:
Front and rear rack capacities listed in the manual
Brakes:
Hydraulic disc brakes front and rear
Traction:
Selectable 4WD for improved traction
Speed Limiter:
Adjustable throttle limiter on some model years
Lighting:
Headlight and taillight for visibility
Footwells:
Rider footwell protection
Crash Ratings:
N/A - ATVs are not subject to consumer crash testing programs
Audio System:
N/A - utility ATV, no factory audio system
Instrumentation:
Digital/analog dash with speedometer and indicator lights
Assistance Systems:
N/A - no electronic driver assistance on this vehicle class
Electrical:
12V accessory power available
Oil Changes:
Initial break-in change, then regular intervals per the factory schedule in the manual
Valve Clearance:
Periodic inspection and adjustment per the factory schedule
CVT Belt:
Inspection and replacement intervals specified in the manual
General Service:
Complete scheduled maintenance checklists included
Engine Oil:
Recommended grade and capacity listed in the manual
Coolant:
Recommended coolant type and capacity listed in the manual
Brake Fluid:
Specified DOT rating for the hydraulic brake system
Common Wear Items:
CVT belt, brake pads, spark plug and air filter
Bushings:
Suspension A-arm bushings are routine wear items on utility ATVs
Manufacturer:
Kwang Yang Motor Co. (KYMCO), founded in Taiwan in 1963
Background:
One of the world's largest scooter and ATV manufacturers, formerly associated with Honda production in Taiwan
Model Line:
MXU series spans from smaller displacement models up to the 500 utility flagship
Updates:
Mechanical and fuel system updates across production years, covered year specific by the manual
Assembly:
KYMCO factories in Taiwan