🏷️ Basic Information Identification Make: Yamaha Model: YFM660FP Grizzly Year: 2001 Product Name: 2001 Yamaha YFM660FP Grizzly Factory Service Repair Manual 👋 Introduction Market Position Vehicle Segment: High-performance, all-terrain utility ATV. Competitive Analysis Competitors: Honda Foreman, Suzuki King Quad, Polaris Sportsman. Key Features Engine Size: 660cc liquid-cooled, SOHC, four-valve, single-cylinder engine. Drivetrain Type: Yamaha's exclusive Ultramatic® automatic transmission with 2WD/4WD selection. Suspension Design: Independent front and rear suspension for superior ride quality and ground clearance. Manual Value Proposition Diy Savings: Enables DIY repairs, saving significant costs on dealership labor. Accuracy: Provides OEM-level accuracy and detail unmatched by aftermarket manuals. 📋 Manual Details Coverage Areas Primary Focus: Repair and Maintenance Scope: Comprehensive Factory Service and Repair Page Count Estimated Pages: Varies (typical OEM manuals are 500+ pages) Manual Type Type: Factory Service Manual (OEM) Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine: Complete disassembly, assembly, inspection, and repair of the 660cc engine. Fuel System: Carburetor tuning, cleaning, fuel pump, fuel lines, and fuel tank maintenance. Cooling System: Radiator, fan, coolant hoses, thermostat, and coolant specifications. Drivetrain: All-wheel drive (4WD) system, front and rear differentials, driveshafts, and CV joints. Transmission: Automatic transmission (CVT) operation, maintenance, and repair; drive clutch and driven clutch service. Brakes: Hydraulic brake system, front and rear brake calipers, brake pads, brake fluid specifications, and bleeding procedures. Suspension: Front and rear suspension components, shock absorbers, springs, control arms, and adjustment procedures. Steering: Steering column, tie rods, steering knuckles, and adjustment. Electrical System: Ignition system, charging system (stator, regulator/rectifier), starter motor, battery maintenance, lighting, and wiring diagrams. Bodywork Chassis: Frame inspection, body panel removal/installation, fenders, racks, and seats. Procedures Included Maintenance: Scheduled maintenance intervals, lubrication points, filter replacement, fluid changes. Troubleshooting: Diagnostic charts for common problems, symptom-based troubleshooting guides. Repair: Step-by-step instructions for disassembly, repair, and reassembly of all major components. Rebuilds: Detailed procedures for engine and transmission overhauls. Adjustments: Valve clearance adjustments, carburetor adjustments, chain tensioning. Wiring Diagrams: Complete electrical schematics for easy fault finding. Technical Depth Depth: Comprehensive, from basic checks to complete engine and transmission rebuilds. Detail Level: Factory-level diagnostic procedures, torque specifications, and tolerances. 📊 Manual Specifications File Format File Type: PDF Searchability: Fully indexed and searchable text content. Print Quality Printability: Printable pages for convenient workshop use. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 660cc Liquid-Cooled, Four-Stroke, SOHC, Single-Cylinder Bore X Stroke: 100.0 mm x 83.9 mm (approx.) Compression Ratio: 9.2:1 (approx.) Valvetrain: SOHC, 4 valves Performance Horsepower: Estimated 45-50 HP (exact figures vary) Torque: Estimated 35-40 lb-ft (exact figures vary) Fuel System Carburetor: Mikuni BSR36, 36mm with TPS (Throttle Position Sensor) Fuel Type: Unleaded gasoline, 87 octane minimum. Lubrication Oil Type: Yamaha High-Performance Motor Oil or equivalent SAE 10W-40 API SG, SH, SJ or higher. Oil Capacity: Approximately 2.1 U.S. qt. (2.0 L) with filter change. 🔧 Transmission Standard Transmission Type: Yamaha Ultramatic® Automatic Continuously Variable Transmission (CVT) Drive System: Shaft Drive Features Gear Selection: High, Low, Neutral, Reverse, Park. Engagement: Automatic centrifugal clutch and V-belt drive system. Maintenance Fluid Type: Yamalube 4 10W-40 or equivalent API SG/SH/SJ. Fluid Capacity: Approximately 0.53 U.S. qt. (0.5 L) 📐 Dimensions Exterior Length: Approx. 82.7 inches (2100 mm) Width: Approx. 45.3 inches (1150 mm) Height: Approx. 45.1 inches (1145 mm) Wheelbase: Approx. 50.4 inches (1280 mm) Weights Dry Weight: Approx. 570 lbs (259 kg) Ground Clearance: Approx. 10.8 inches (275 mm) Cargo Front Rack Capacity: Approx. 99 lbs (45 kg) Rear Rack Capacity: Approx. 187 lbs (85 kg) Towing Towing Capacity: Approx. 1322 lbs (600 kg) Front Tire Size: AT25x8-12 Rear Tire Size: AT25x10-12 🛡️ Safety Features Ratings Atv Safety Standards: Designed to meet ANSI/SVIA standards. Active Features Braking System: Hydraulic disc brakes front and rear with parking brake. Engine Braking: Utilizes Ultramatic® CVT for effective engine braking on descents. Passive Features Chassis Design: Reinforced steel frame for durability and rider protection. Ergonomics: Comfortable seating and controls designed for extended riding. 💡 Technology Features Infotainment Infotainment System: N/A (Focus is on utility and performance, not typical automotive infotainment) Driver Assistance Driver Assistance: N/A (Focus is on utility and performance, not typical automotive driver assistance) Connectivity Connectivity: N/A (Focus is on utility and performance, not typical automotive connectivity) Engine Management Ignition Control: CDI (Capacitor Discharge Ignition) with TPS for optimized fuel delivery and performance. 🔧 Maintenance Service Intervals Oil Change Interval: Every 1,000 km or 6 months, whichever comes first. Air Filter Cleaning: Every 100 hours or 6 months. Spark Plug Replacement: Every 6,000 km or 3 years. Fluid Specifications Brake Fluid: DOT 3 or DOT 4 hydraulic brake fluid. Coolant Type: Yamaha's recommended permanent type antifreeze coolant (50% mixture with distilled water). Known Issues Cv Boot Wear: CV joint boots can be susceptible to tearing from debris; regular...