🏷️ Basic Information Identification Make: Yamaha Model: Banshee 350 Year: 1997 Vehicle Type: All-Terrain Vehicle (ATV) Codes Chassis Code: YFZ350 👋 Introduction Market Position Market Position: The definitive guide for owners and technicians of the high-performance Yamaha Banshee 350. Competitive Analysis Competitive Analysis: Outperforms generic online guides or owner's manuals in depth and accuracy, mirroring dealer resources. Key Features Key Features: Factory authorized procedures, comprehensive coverage, detailed diagrams, and troubleshooting sections. 📋 Manual Details Coverage Areas Manual Coverage Scope: Comprehensive service and repair Page Count Page Count: 320+ Manual Type Manual Type: Factory Service Manual Language Language: English Format Format: Print 📖 Manual Coverage Systems Covered Engine: Full coverage including disassembly, assembly, tuning, and component diagnosis. Fuel System: Carburetor service, fuel pump, fuel lines, and tank. Lubrication Cooling: Engine oil system, oil pump, and cooling system (if applicable). Combustion System: Ignition system, spark plugs, CDI unit, and timing. Transmission: Gearbox service, clutch operation, and drive chain maintenance. Front Wheel Steering: Front suspension, steering components, wheel bearings, and hub assembly. Rear Wheel: Rear suspension, swingarm, axle, wheel bearings, and hub assembly. Fenders Exhaust: Body panels, fender removal/installation, and exhaust system maintenance. Electrical System: Wiring diagrams, lighting, battery, ignition, charging system, and troubleshooting electrical faults. Troubleshooting: Diagnostic procedures for common issues and systematic fault finding. Procedures Included Maintenance: Routine checks, lubrication, filter changes, and general upkeep. Repair: Detailed step-by-step instructions for component repairs and replacements. Engine Rebuild: Complete engine overhaul procedures, including piston, cylinder, and crankshaft service. Transmission Overhaul: Gearbox disassembly, inspection, and reassembly instructions. Suspension Service: Front and rear suspension component maintenance and adjustments. Brake System Maintenance: Brake pad replacement, caliper service, and fluid bleeding. Electrical Troubleshooting: Diagnosis of starting, charging, and ignition system issues. Carburetor Adjustment: Detailed instructions for tuning and synchronizing carburetors. Engine Performance Tuning: Information pertinent to optimizing engine output. Technical Depth Depth: Factory-level, suitable for professional technicians and advanced DIY mechanics. Diagnostic Capabilities: Advanced diagnostic trees and troubleshooting flowcharts. Rebuild Instructions: Detailed, step-by-step instructions for complete component rebuilds. 📊 Manual Specifications File Format File Format: Print (physical book) Print Quality Print Quality: High-quality printing with clear diagrams and text. Binding Type Binding Type: Professional binding for durability in a workshop environment. Paper Type Paper Type: Durable, glossy paper to withstand workshop use and prevent ink bleed. ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, Liquid-cooled, Reed Valve, V-Twin Displacement: 347cc (347 cm³) Bore X Stroke: 64.0 mm x 54.0 mm Compression Ratio: 7.1:1 (nominal) Carburetion: Dual Mikuni VM26SS carburetors Ignition: CDI (Capacitor Discharge Ignition) Starting System: Electric Performance Estimated Horsepower: Approx. 44 hp @ 7,500 rpm (stock) Estimated Torque: Approx. 32 ft-lbs @ 6,000 rpm (stock) Fuel System Fuel Type: Unleaded gasoline, 91 octane or higher recommended Fuel Mixture Ratio: 50:1 (pre-mix with high-quality 2-stroke oil) Fuel Tank Capacity: 3.7 gallons (14 liters) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh, claw-shift Clutch Type: Wet, multiple-disc, cable-actuated Final Drive: O-ring sealed chain Features Gearbox Features: Helical cut gears for increased durability. 📐 Dimensions Exterior Length: 70.1 in (1780 mm) Width: 43.7 in (1110 mm) Height: 43.7 in (1110 mm) Wheelbase: 50.0 in (1270 mm) Weights Dry Weight: 396 lbs (180 kg) Curb Weight: Not specified (typically includes fluids) Ground Clearance: 4.7 in (119 mm) 🛡️ Safety Features Ratings Safety Ratings: ATV safety is rider dependent; refer to owner's manual for safe operation guidelines. Active Features Brakes: Front: Dual Hydraulic Disc; Rear: Single Hydraulic Disc Throttle Limiter: Thumb throttle with safety stop functionality. Passive Features Handlebars: Grip design and handlebar shape for rider control. Footwells: Wide, serrated footwells for secure footing. 💡 Technology Features Infotainment Infotainment System: N/A (Performance-focused ATV) Driver Assistance Driver Assistance Features: N/A (Rider-controlled operation) Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific hours/mileage; typically after initial break-in and then periodically based on usage. Air Filter Cleaning: Frequent inspection and cleaning/replacement recommended, especially in dusty conditions. Spark Plug Replacement: As needed based on inspection; refer to manual for type and gap. Chain Lubrication Adjustment: Regular lubrication and tension adjustment recommended. Fluid Specifications Engine Oil Type: Yamaha recommended 2-stroke synthetic oil (e.g., Yamalube 2M) mixed at 50:1 ratio in fuel. Transmission Oil Type: Yamaha recommended gear oil (e.g., Yamalube 4-stroke 10W-40 or equivalent SAE 80 API GL-4 gear oil). Brake Fluid Type: DOT 3 or DOT 4 hydraulic brake fluid. Coolant Type: Permanent type antifreeze coolant (ethylene glycol based), 50/50 mix with distilled water. Known Issues Known Issues: Common issues can include carburetor jetting for altitude/modifications, clutch wear, suspension linkage wear, and reed valve issues. This manual addresses these thoroughly. 📚 Vehicle History Brand Heritage Brand Heritage: Yamaha's long-standing reputation for performance and reliability in powersports. Model Evolution Model Evolution: The Banshee 350, introduced in 1987, became an iconic performance ATV, known for its potent two-stroke V-twin engine...