The 650 V-Twin 4x4 FIS, produced in 2004, is a robust All-Terrain Vehicle designed for performance and utility. Featuring a powerful 635cc liquid-cooled, 4-stroke V-twin engine, this ATV delivers substantial power and torque for challenging off-road conditions. Its independent suspension system enhances ride comfort and handling, while the switchable 4x4 drivetrain with a lockable front differential ensures superior traction. The innovative Fender Integrated Storage (FIS) adds practical capacity for carrying gear, making it a versatile choice for enthusiasts and utility tasks alike. This Factory Parts Manual provides comprehensive documentation for the 650 V-Twin 4x4 FIS. It details all major vehicle systems, including engine components, drivetrain, chassis, suspension, braking, fuel, cooling, electrical systems, clutch, and wheels. The manual includes complete overhaul instructions, detailed illustrations, exploded views for precise part identification, and extensive parts lists with corresponding part numbers. This resource is essential for owners, mechanics, and technicians to accurately identify, order, and manage parts for maintenance and repair of this performance utility ATV. 🏷️ Basic Information Identification Make: Arctic Cat Model: 650 V-Twin 4x4 FIS Year: 2004 Body Style: ATV (All-Terrain Vehicle) Trim: FIS (Fender Integrated Storage) Color: CAT GREEN Codes Product Code: A2004ISR4BCAV Market Code: MRP CA 👋 Introduction Market Position Vehicle Category: Performance Utility ATV Target Demographic: Enthusiasts seeking powerful and capable off-road vehicles for recreation and utility Competitive Analysis Key Competitors: Polaris Sportsman series, Can-Am Outlander series, Yamaha Grizzly series Key Features Engine Configuration: V-Twin configuration offering robust power and torque Drive System: Switchable 4x4 with Front Differential Lock (FIS) Suspension Type: Independent suspension for enhanced ride comfort and handling Storage Capacity: Integrated front and rear storage (FIS feature) 📋 Manual Details Coverage Areas Manual Type: Factory Parts Manual Language: English Format: PDF Download Page Count Page Count: Unknown (PDF, typically extensive for parts manuals) 📖 Manual Coverage Systems Covered Engine Components: Crankshaft, Piston, Cylinder, Cylinder Head, Camshaft, Valves, Cam Chain, Magneto, Oil Filter/Pump, Water Pump, Starter Motor, Starter Clutch, Throttle Body Drivetrain Components: Transmission, Drive Train, Secondary Drive, Secondary Transmission, Front Drive Gearcase, Gear Shifting, Shifter Chassis Components: Frame and Related Parts, Tilt Frame, Canopy and Taillight, Cargo Box and Tailgate, Console, Floor Panel, Dash, Hood and Headlight, Seat Suspension Steering: Front Suspension, Rear Suspension, Steering, Sway Bar Braking System: Front Brake, Rear and Parking Brake Fuel Cooling Electrical: Gas Tank, Cooling, Battery, Wiring Harness Clutch Variator: Clutch, V-Belt Wheels Tires: Wheel and Tire Procedures Included Assembly Disassembly: Complete Overhaul, Disassembly and Assembly of all listed components Parts Identification: Detailed illustrations and exploded views for part identification Parts Listing: Comprehensive parts lists with corresponding part numbers Technical Depth Depth Of Coverage: Parts identification and cataloging for all vehicle components 📊 Manual Specifications File Format File Type: PDF Searchable Text: Yes Print Quality Printable: Yes Zoomable: Yes Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 4-stroke V-twin Displacement: 635cc Bore X Stroke: 72.0 mm x 78.0 mm Compression Ratio: 9.2:1 Performance Horsepower: Approx. 50-55 HP (Estimate based on similar models/era) Torque: Approx. 38-42 ft-lbs (Estimate based on similar models/era) Fuel System Fuel Delivery: Carbureted (likely twin Mikuni carburetors) Fuel Type: Unleaded gasoline Lubrication Oil Type: API SG or higher, SAE 10W-40 motorcycle or ATV specific oil Oil Capacity: Approx. 2.8 Liters (with filter change) 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Drive Modes: 2WD/4WD, Lockable Front Differential Features Gear Reduction: High/Low range transmission with Reverse Clutch System: CVT belt drive with engagement and secondary clutches 📐 Dimensions Exterior Length: Approx. 81.5 inches Width: Approx. 46.5 inches Height: Approx. 47.0 inches Weights Dry Weight: Approx. 595 lbs Towing Capacity: Approx. 1,050 lbs Payload Capacity: Approx. 290 lbs (Rider + Cargo) Cargo Front Rack Capacity: Approx. 90 lbs Rear Rack Capacity: Approx. 180 lbs Wheels Tires Front Tire Size: AT 25 x 8-12 Rear Tire Size: AT 25 x 10-12 Wheel Bolt Pattern: 4x110 mm 🛡️ Safety Features Ratings Atv Safety Standards: Compliant with ANSI/SVIA requirements Active Features Braking System: Hydraulic disc brakes front and rear Parking Brake: Hand-operated parking brake Passive Features Lighting: Dual front headlights, tail light, brake light Throttle Limiter: Thumb throttle with safety mechanism 💡 Technology Features Infotainment Display: Basic digital/analog instrument cluster (speedometer, odometer, fuel gauge, warning lights) Driver Assistance Drive Modes: Selectable 2WD/4WD with electronic front differential lock activation Connectivity Connectivity Features: N/A (Standard for the era) 🔧 Maintenance Service Intervals Oil Change Interval: Every 100 hours or annually (whichever comes first) Air Filter Cleaning: Inspect every 25 hours, clean/replace as needed Spark Plug Replacement: Every 1,000 miles or annually Fluid Specifications Coolant Type: Ethylene glycol-based antifreeze/coolant, minimum 50% concentration Brake Fluid Type: DOT 3 or DOT 4 hydraulic brake fluid Gearcase Oil Type: API GL-4, SAE 80W-90 hypoid gear lubricant Known Issues Common Wear Items: CVT...