🏷️ Basic Information Identification Make: Yamaha Model: YFM660F Grizzly Year: 2002 Variant: YFM660F(P) Codes Engine Code: F072E 👋 Introduction Market Position Positioning: The Yamaha YFM660F Grizzly was a highly regarded utility ATV known for its powerful engine and rugged capability, positioned as a premium choice for demanding off-road applications. Competitive Analysis Competitors: Competed with models like the Honda FourTrax Foreman, Kawasaki Prairie, and Suzuki King Quad of the same era. Key Features Features: Liquid-cooled 660cc 4-stroke engine, fully automatic transmission (CVT), selectable 2WD/4WD, independent front and rear suspension, shaft drive, powerful disc brakes. 📋 Manual Details Coverage Areas Systems Covered: Engine, Fuel System, Ignition System, Clutch, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, Chassis, Bodywork, Troubleshooting, Specifications Page Count Pages: 431 Manual Type Type: Complete Official Factory Service / Repair / Workshop Manual Language Language: English Format File Format: PDF Features Keyword Searchable: Yes Delivery Options Shipping: No shipping cost, instant download. Guarantee Money Back: Full money-back guarantee offered. 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, cylinder head, valve train, camshaft, pistons, connecting rods, crankshaft, oil pump, lubrication system, cylinder block. Fuel System: Carburetor (Mikuni BSR42), fuel pump, fuel filter, fuel lines, fuel tank, vacuum operation. Ignition System: CDI ignition system, ignition coil, spark plugs (NGK CR7E), timing, troubleshooting. Transmission: Automatic transmission (CVT), gear ratios, drive belts, clutch, internal components, maintenance, troubleshooting. Drivetrain: Front and rear differentials, driveshafts, CV joints, wheel hubs, axle shafts, sealed bearing units. Suspension: Front independent suspension (double wishbone), rear independent suspension (dual A-arm), shock absorbers, springs, adjustment, maintenance. Steering: Handlebar steering, tie rods, steering knuckles, universal joints, maintenance, adjustment. Brakes: Front and rear hydraulic disc brakes, brake calipers, brake pads, brake lines, master cylinders, fluid specifications, bleeding procedure, maintenance. Electrical System: Wiring harness, battery, charging system (stator, rectifier/regulator), lighting, starter motor, switches, fuses, wiring diagrams. Chassis And Bodywork: Frame, body panels, fenders, racks, seat, handlebars, footrests, decals, fasteners, torque specifications. Instrumentation: Dashboard indicators, meter functions, troubleshooting of meter issues. Emission Controls: Information on emission control systems and their maintenance. Procedures Included Maintenance: Regular maintenance checks, oil changes, filter replacements, spark plug service, brake fluid changes, lubrication, valve adjustments, drive belt inspection and replacement. Troubleshooting: Systematic diagnostic procedures for engine performance issues, starting problems, electrical faults, brake malfunctions, and drivetrain issues. Repair And Rebuild: Complete instructions for engine overhaul, transmission repair, suspension component replacement, brake system overhaul, and electrical component repair. Technical Specifications: Detailed specifications for all components, including torque values, clearances, fluid capacities, electrical resistance, and diagnostic parameters. Diagnostic Charts: Includes detailed troubleshooting flowcharts for various common and uncommon problems. Torque Specifications: Provides specific torque values for all fasteners and critical components to ensure proper assembly and prevent damage. Wiring Diagrams: Includes comprehensive electrical wiring diagrams for easy identification and troubleshooting of the electrical system. Exploded Views: Features detailed exploded view diagrams for all major assemblies, aiding in part identification and reassembly. Wheel And Tire Service: Information on tire replacement, pressure checks, and wheel mounting. Technical Depth Depth: Comprehensive. Covers everything from basic maintenance and fluid changes to complete engine rebuilds and advanced electrical system diagnostics. 📊 Manual Specifications File Format Quality: Factory Quality PDF, fully keyword searchable. Print Quality Printable: Yes Zoom Functionality Zoom: Yes, zoom in/out functionality supported. Delivery Method Delivery: Instant Download PDF. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) Content Completeness Completeness: This is a complete factory service/repair manual, offering in-depth coverage for all maintenance, repair, and diagnostic procedures. ⚙️ Engine Specifications Primary Engine Type: Liquid-cooled, 4-stroke, SOHC, 5-valve Displacement: 660 cc Bore X Stroke: 100.0 mm x 84.0 mm Compression Ratio: 9.1:1 Performance Horsepower: Approx. 45 hp (estimated at the crankshaft) Torque: Approx. 40 lb-ft (estimated at the crankshaft) Fuel System Carburetor: Mikuni BSR42, single carb Fuel Type: Unleaded gasoline (87 octane or higher) Fuel Pump Type: Mechanical diaphragm type, operated by crankcase pulse. Lubrication Oil Type: Yamalube 4 (or equivalent SAE 10W-40 API SE, SF, SG, SH, SJ) Oil Capacity: 3.70 US qt (3.5 L) with oil filter replacement Cooling System Type: Liquid-cooled Radiator Fan: Electric fan 🔧 Transmission Standard Type: Automatic (CVT with centrifugal clutch and V-belt) Features Drive Modes: 2WD/4WD selectable Fluid Specifications Transmission Fluid: Yamalube 4 (or equivalent SAE 10W-40 API SE, SF, SG, SH, SJ) 📐 Dimensions Exterior Length: 81.7 in (2075 mm) Width: 44.7 in (1135 mm) Height: 44.3 in (1125 mm) Weights Dry Weight: 564 lbs (256 kg) Fuel Capacity: 4.2 US gal (16 L) Dimensions Wheelbase: 50.0 in (1270 mm) Ground Clearance: 10.8 in (274 mm) 🛡️ Safety Features Ratings Atv Safety: ATV safety is paramount; always wear a helmet and appropriate protective gear. This manual details safety precautions for operation and maintenance. Active Features Braking System: Hydraulic disc brakes on all four wheels provide strong stopping power. Parking brake mechanism. 💡 Technology Features...