Target Audience:
DIY owners, farmers, ranchers, hunters, and recreational riders servicing their own ATV
Vehicle Class:
Mid-size utility ATV
Primary Use:
Work, hauling, towing, trail riding, and hunting applications
Key Advantage:
Mid-size weight and price with full 4x4 capability and selectable 2WD/4WD
Compared To:
Positioned against the Honda Rancher 420, Yamaha Bruin/Grizzly 450, and Polaris Sportsman 400/500
Key Features:
425cc SOHC four-stroke engine, independent rear suspension, automatic CVT transmission, and front and rear racks for utility loads
Systems Covered:
Engine, fuel, lubrication, cooling, electrical, transmission/PTO, drivetrain, suspension, steering, brakes, and body
Procedures Included:
Maintenance, troubleshooting, disassembly, inspection, repair, reassembly, and specifications
Manual Type:
Digital workshop repair manual (service manual)
Delivery Method:
Instant digital download
Engine:
425cc SOHC single-cylinder four-stroke: complete teardown, measurement, and rebuild
Fuel System:
Carburetor or fuel injection service, throttle body, fuel pump, tank, and lines
Lubrication:
Oil pump, pressure testing, and lubrication specifications
Cooling:
Liquid cooling system, radiator, fan, and thermostat service
Electrical:
Wiring diagrams, charging system, starter, CDI/ECU, sensors, and lighting
CVT Transmission:
Drive and driven clutch inspection, belt replacement, and calibration
Drivetrain:
Front differential, 2WD/4WD engagement, rear drive, CV axles, and driveshaft
Suspension:
Front A-arms and independent rear suspension, shocks, and bushings
Steering:
Steering wheel, stem, tie rods, and alignment procedures
Brakes:
Hydraulic disc brakes front and rear, pads, rotors, calipers, and master cylinder
Wheels and Tires:
Wheel removal, tire service, and torque specifications
Body:
Fenders, racks, seat, and frame inspection
PTO / Auxiliary:
Auxiliary brake and accessory mounting points
Technical Depth:
Full factory-level service depth including torque specs, clearances, and special tool references
Diagnostics:
Symptom-based troubleshooting charts and fault code diagnostics
Specifications:
Complete service specifications and tightening torque tables
Parts Information:
Exploded views and part identification to support correct reassembly and parts ordering
General Maintenance:
Scheduled maintenance intervals, fluid capacities, and adjustment procedures
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:
425cc single-cylinder four-stroke SOHC, liquid-cooled
Configuration:
Single cylinder, 4-valve head
Bore and Stroke:
Approximately 89.0 mm bore x 68.0 mm stroke
Compression Ratio:
N/A - verify exact ratio in the manual specification tables
Starting System:
Electric start with recoil backup
Performance and Fuel System
Carburetion:
Keihin carburetor (2011 425 uses carbureted fuel delivery)
Ignition:
CDI electronic ignition
Rated Output:
N/A - Arctic Cat did not publish a precise horsepower figure for this model
Standard Transmission:
Automatic CVT (continuously variable transmission) with high/low range and reverse
Drive Modes:
2WD / 4WD selectable with locking front differential
Range Selector:
High, low, neutral, reverse, park
Clutch:
Centrifugal dry clutch within CVT system
Serviceability:
Belt and clutch service procedures fully covered in the manual
Wheelbase:
Approximately 50 inches (1,270 mm)
Length:
Approximately 83 inches (2,108 mm)
Width:
Approximately 46 inches (1,168 mm)
Seat Height:
Approximately 34 inches (864 mm)
Ground Clearance:
Approximately 10 inches (254 mm)
Curb Weight:
Approximately 680 lb (309 kg)
Rack Capacity:
Front and rear steel racks rated for utility loads (see manual for exact ratings)
Towing Capacity:
Approximately 1,050 lb (476 kg)
Crash Test Ratings:
N/A - ATVs are not subject to automotive crash test ratings
Active and Passive Features
Brakes:
Hydraulic disc brakes front and rear
Lighting:
Dual front halogen headlights and rear taillight/brake light
Stability Features:
Independent rear suspension and low center of gravity chassis
Speed Limiter:
Adjustable throttle limiter for less-experienced riders
Operator Safety:
Ride-away parking brake; always wear a DOT-approved helmet per manufacturer guidance
Instrumentation and Controls
Instrument Cluster:
Digital LCD display with speedometer, odometer, trip meter, gear indicator, and indicator lamps
Drive Selection:
Handlebar-mounted 2WD/4WD and differential lock controls
Advanced Driver Aids:
N/A - not equipped; this is a 2011 utility ATV
Ignition:
Electric start with recoil backup
Oil Change:
Initial break-in change, then every 100 operating hours or annually (per manual schedule)
Air Filter:
Inspect frequently; clean or replace per service interval chart
Valve Clearance:
Check periodically per schedule; shim-type adjustment
CVT System:
Inspect belt and clutches at scheduled intervals
Engine Oil:
SAE 10W-40 API SF/SG or higher, API-certified four-stroke ATV oil
Front Differential / Gearcase Oil:
SAE 80W-90 hypoid gear oil (use Arctic Cat fluid or equivalent)
Coolant:
Premium long-life ethylene glycol antifreeze, ~50/50 mix
Brake Fluid:
DOT 4 hydraulic brake fluid
Known Wear Items:
CVT belt, CV axle boots, brake pads, A-arm bushings, and wheel bearings
Manufacturer:
Arctic Cat Inc., Thief River Falls, Minnesota, USA
Model Evolution:
The 425 replaced earlier 400-class Arctic Cat utility ATVs, carrying the established DVX/utility platform into the 2011 lineup with independent rear suspension
Production Location:
Assembled in the USA (Thief River Falls, MN and St. Cloud, MN facilities)
Model Run:
425 produced in the early 2010s before the 450-class models superseded it
