This manual covers the snowmobile, produced for the model years 1991, 1992, and 1993. Known for its lightweight, agile, and powerful performance within its class, the Exciter 570 offered a spirited riding experience, positioning itself against competitors like the Arctic Cat Cheetah, Ski-Doo Formula MX, and Polaris Indy. Yamaha's long-standing reputation in motorsports, including snowmobiles, underscores the engineering quality and reliability expected from this model. This comprehensive service and repair manual provides detailed guidance for owners and technicians. It covers all essential aspects of the vehicle, including engine mechanicals, fuel and ignition systems, cooling and lubrication, drive system, suspension, steering, brakes, and the electrical system. Within its 300+ pages, you will find procedures for routine maintenance, troubleshooting common issues, major repairs, and technical adjustments, ensuring the Exciter 570 remains in optimal condition. 🏷️ Basic Information Identification Make: Yamaha Model: Exciter 570 Model Years Covered: 1991, 1992, 1993 Codes Chassis Code: ES570 👋 Introduction Market Position Vehicle Segment: Sporty Personal Snowmobile Target Audience: Enthusiasts and owners seeking to maintain and repair their Yamaha Exciter 570. Competitive Analysis Competitors 1991-1993: Arctic Cat Cheetah, Ski-Doo Formula MX, Polaris Indy Key Features Vehicle Usp: Lightweight, agile, and powerful for its class, offering a spirited riding experience. Manual Purpose Benefit To Owner: Empowers owners to perform maintenance, troubleshoot issues, and undertake repairs, saving time and money. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Specific Systems Covered: Engine, Fuel System, Ignition, Cooling, Lubrication, Drive System, Suspension, Steering, Brakes, Electrical System, Bodywork, Chassis Page Count Estimated Pages: 300+ Manual Type Type: Full Service & Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed disassembly, inspection, and reassembly of engine components including cylinders, pistons, crankshaft, connecting rods, cylinder heads, valves, and timing components. Fuel System: Carburetor tuning, cleaning, and rebuilding; fuel pump operation; fuel line maintenance. Ignition System: Spark plug specifications, ignition timing adjustment, CDI unit testing, and coil diagnostics. Cooling System: Radiator maintenance, coolant specifications, water pump inspection, and thermostat testing. Lubrication System: Oil specifications, oil pump operation, and lubrication circuit maintenance. Drive System: Clutch adjustment and replacement, drive belt inspection and replacement, gearbox operation, and chain lubrication/adjustment. Suspension System: Front and rear suspension component inspection, shock absorber service, and spring replacement. Steering System: Handlebar and steering column inspection, linkage lubrication, and alignment procedures. Brake System: Brake pad inspection and replacement, brake fluid specifications and bleeding, caliper service, and brake cable adjustment. Electrical System: Wiring diagrams, battery maintenance, lighting system checks, starter motor and alternator testing, and instrument cluster diagnostics. Bodywork And Chassis: Fairing removal and installation, seat maintenance, and chassis component inspection. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain lubrication, brake adjustments, spark plug checks, and battery service. Troubleshooting: Diagnostic guides for common running issues, electrical faults, and mechanical failures. Major Repairs: Complete engine rebuilds, transmission overhauls, and suspension component replacements. Technical Adjustments: Carburetor synchronization, ignition timing, clutch and throttle cable free play adjustments. Technical Depth Depth Of Information: Comprehensive: Covers everything from basic checks to full engine and component overhauls, including detailed torque specifications and tolerances. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable, enabling quick access to specific information. Print Quality Quality: High resolution, suitable for printing at home or professional print shop. Binding Type Binding For Print: Not applicable (digital download), but designed for easy printing and binding. Paper Type Paper Type For Print: Not applicable (digital download), but recommended to print on durable paper for workshop use. ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, liquid-cooled, parallel-twin Displacement: 561 cc (34.2 ci) Bore X Stroke: 66.0 mm x 82.0 mm (2.60 in x 3.23 in) Compression Ratio: 7.0:1 (Typical for this era) Performance Horsepower: Approximately 70-75 HP (Estimate based on similar models) Torque: Not typically published for this class of vehicle, but sufficient for strong acceleration. Fuel System Carburetor Type: Dual Mikuni VM34SS (or similar) Fuel Type: Unleaded gasoline (minimum 87 octane recommended) Oil Mixture: Premix (50:1 ratio typically with a high-quality 2-stroke snowmobile oil) or Auto-lube system (if equipped). Ignition Ignition System Type: Capacitor Discharge Ignition (CDI) Cooling Cooling Method: Liquid-cooled Lubrication Lubrication Type: Premix or Autolube (oil injection) 🔧 Transmission Standard Transmission Type: CVT (Continuously Variable Transmission) with reduction gear Features Drive System: Chain drive to rear axle Clutch Type: Primary (drive) and Secondary (driven) clutches Fluid Specifications Gearbox Oil Type: Yamaha "All-Purpose Gear Oil" or equivalent SAE 80W-90 GL-4 Fluid Capacities Gearbox Oil Capacity: Approximately 200-250 ml (consult manual for exact amount) 📐 Dimensions Exterior Overall Length: Variable based on track length, typically around 100-110 inches. Overall Width: Approximately 35-40 inches. Track Width: Variable, typically around 40 inches (front ski stance). Weights Dry Weight: Approximately 450-500 lbs (dry) Gross Vehicle Weight Rating: Not typically specified for snowmobiles, but consider rider and cargo weight....