Target Audience:
Recreational riders, hunters, farmers, and utility users needing a mid-to-large displacement 4x4 ATV
Market Segment:
Big-bore utility ATV class for 2004
Competitors:
Polaris Sportsman 700, Yamaha Kodiak 660, Honda Rincon 650, Kawasaki Prairie 650
Arctic Cat Advantage:
Independent rear suspension on select trims, strong V-twin torque, and competitive pricing in the big-bore class
Engine:
633 cc liquid-cooled V-twin four-stroke
Drivetrain:
Selectable 2WD/4WD with front differential lock
Suspension:
Long-travel independent front and rear suspension (double A-arm)
Braking:
Hydraulic disc brakes
Manual Type:
Factory-style workshop service repair manual
Coverage:
All models and repairs covered A-Z, mechanical and electrical
Illustrations:
Detailed pictures, diagrams, schematics, and exploded views throughout
Printability:
All pages printable; print only the pages you need
Delivery Method:
Instant digital download
Binding:
Digital (PDF document)
Engine:
Complete teardown, inspection, machining specs, and rebuild procedures
Fuel & Carburetion:
Carburetor disassembly, cleaning, tuning, and jetting specifications
Cooling System:
Radiator, fan, thermostat, and coolant circuit testing and service
Lubrication:
Oil system service, pressure testing, and crankcase lubrication circuits
Transmission & Clutch:
CVT drive system, gearcase, shift linkage, and clutch overhaul
Final Drive:
Front and rear differential, CV axles, and driveshaft service
Electrical System:
Wiring diagrams, charging system, starting system, CDI ignition, switches, and sensors
Brakes:
Hydraulic disc brake service, caliper and master cylinder rebuild, pad replacement
Suspension & Steering:
A-arm service, shock inspection and replacement, steering component repair
Wheels & Tires:
Removal, installation, and specifications
Frame & Body:
Frame inspection, body panel removal and installation
Exhaust:
Muffler and header pipe removal, installation, and inspection
Scheduled Maintenance:
Complete service schedules and step-by-step maintenance procedures
Diagnostics:
Troubleshooting charts for mechanical and electrical faults
Torque Specifications:
Full torque spec tables for fasteners throughout the machine
Special Tools:
Listings of required special tools and shop-made alternatives
Assembly & Disassembly:
Detailed step-by-step sequences with photos and exploded diagrams
Skill Level:
Written for professional technicians but usable by competent DIY owners
Detail Level:
Factory-level detail with measurements, clearances, and tolerances
Wiring Diagrams:
Complete electrical schematics included
Parts Diagrams:
Exploded views identifying components and assemblies
Part Numbers:
Factory part numbers referenced where applicable
Fluid Capacities:
Oil and coolant capacities listed in service sections
Fastener Specs:
Thread sizes, torque values, and locking requirements
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:
633 cc liquid-cooled 90-degree V-twin four-stroke, SOHC, 4 valves
Bore x Stroke:
81 mm x 61.5 mm
Compression Ratio:
10.2:1
Cooling:
Liquid-cooled with electric fan
Power Character:
Strong low-end and midrange torque suited to towing and trail work
Horsepower:
N/A - not specified for this model
Top Speed:
N/A - not specified for this model
Fuel Delivery:
Keihin carburetor
Fuel Tank Capacity:
Approximately 4.75 gallons (18 L)
Recommended Fuel:
Regular unleaded, 87 octane or higher
Standard Transmission:
Automatic CVT (continuously variable transmission) with high/low/neutral/reverse on automatic models
Optional Transmission:
5-speed manual with foot shift on manual-transmission 650 Twin models
Final Drive:
Shaft drive with front and rear differentials
Drive Modes:
Selectable 2WD/4WD with front differential lock
CVT System:
Belt-driven primary and secondary clutch with engine braking
Wheelbase:
Approximately 50 inches (1,270 mm)
Length:
N/A - not specified for this model
Width:
N/A - not specified for this model
Ground Clearance:
Approximately 10 inches
Curb Weight:
Approximately 640 lb (290 kg), varies by trim
Braking System:
Hydraulic disc brakes front and rear
Parking Brake:
Lockable parking brake mechanism
Lighting:
Dual front headlights and rear taillight/brakelight
Footwells:
Integral footwells with aggressive footpeg grips
Fenders:
Full-coverage bodywork for mud and debris protection
Rack Capacity:
Front and rear cargo racks for secured loads
Crash Test Ratings:
N/A - ATVs are not subject to passenger-vehicle crash test ratings; safe operation requires rider training and protective gear
Instrument Cluster:
Digital/analog gauge with speedometer, odometer, and indicator lights
Indicator Lights:
Reverse, high beam, neutral, and coolant temperature indicators
4WD Engagement:
Push-button selectable 4WD with differential lock
Note:
N/A - modern electronic driver assistance systems were not offered on 2004 ATVs
Audio System:
N/A - not specified for this model (no factory audio on this ATV)
Engine Oil:
Change break-in oil after first 10 hours, then every 200 miles / 1 year
Oil Filter:
Replace with every oil change
Air Filter:
Inspect before each ride; clean/replace every 100 miles in dusty conditions
Valve Clearance:
Check and adjust per factory schedule
Differential Fluid:
Change front and rear differential oil per service schedule
CVT System:
Inspect belt and clutch components periodically for wear
Engine Oil:
SAE 10W-40 API SF/SG or higher, four-stroke ATV oil
Coolant:
Long-life ethylene glycol antifreeze, 50/50 mix
Differential Oil:
SAE 80W-90 gear oil (verify per manual)
Carburetor:
Jetting changes recommended for sustained high-altitude operation
Common Wear Items:
CVT belt, brake pads, CV boots, and ball joints on high-mileage machines
Cooling:
Radiator fins require regular cleaning in muddy/dusty conditions
Manufacturer:
Arctic Cat Inc., headquartered in Thief River Falls, Minnesota
Background:
Founded by snowmobile pioneer Edgar Hetteen in 1960; entered the ATV market in 1996
650 Twin Introduction:
Introduced for the 2004 model year as Arctic Cat's entry into the V-twin big-bore utility class
Successor Lineage:
The 650 platform evolved into later Thunder Cat and 700 models in following years
Assembly:
Arctic Cat production facility in Thief River Falls, Minnesota, USA