🏷️ Basic Information Identification Make: Polaris Model: Apollo 340 Model Variant: Snowmobile Year: 1979, 1980 👋 Introduction Market Position Target Audience: Enthusiasts and mechanics seeking detailed repair and maintenance information for the Polaris Apollo 340. Key Features Instructional Style: Simple, precise explanations with photographic, drawn, and schematic illustrations. Ease Of Use: Designed for easy readability and understanding, even for those with less experience. Completeness: Contains all necessary data, characteristics, instructions, and methodologies for effective repair. Diagrams: Includes exploded diagrams, drawings, and photos for clear procedural guidance. 📋 Manual Details Coverage Areas Applicable Models: Polaris Apollo 340 (1979-1980) Page Count Total Pages: 477 Manual Type Type: Workshop Service Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Service: Detailed engine repair, disassembly, assembly, and adjustment procedures. Fuel System: Carburetor tuning, fuel pump, fuel lines, and fuel tank service. Ignition System: Magneto ignition system, spark plugs, and timing adjustments. Drive System: Clutch (drive and driven) service, chaincase maintenance, and track adjustment. Suspension: Front and rear suspension component inspection, repair, and adjustment. Braking System: Brake caliper, master cylinder, and brake cable service and adjustment. Electrical System: Lighting system, kill switch operation, and basic electrical troubleshooting. Chassis And Body: Frame inspection, seat removal, handlebar adjustments, and body panel servicing. Cooling System: Information on fan cooling system, fan belt inspection and replacement. Procedures Included Maintenance: Scheduled maintenance tasks, lubrication points, and general upkeep. Troubleshooting: Diagnostic procedures for common operating issues and component failures. Repair: Step-by-step repair instructions for all major vehicle systems. Disassembly Assembly: Comprehensive guides for removing and reinstalling components. Adjustments: Detailed instructions for adjusting clutches, brakes, ignition timing, and more. Special Tools: Identification and usage instructions for specialized service tools required for repairs. Tightening Torques: Provides specific torque values for critical fasteners and assembly points. Technical Depth Depth: Comprehensive, bumper-to-bumper coverage suitable for DIY enthusiasts and professional mechanics. Pictorial Diagrams: Includes detailed pictorial diagrams, exploded views, and photographs for all service procedures. Factory Specifications: Offers factory specifications, allowable limits, and wear limits for accurate servicing. 📊 Manual Specifications File Format File Quality: High-resolution PDF with clear, legible text and diagrams. Print Quality Printability: Fully printable, allowing users to print specific sections or the entire manual. Binding Type Binding Type: N/A (Digital PDF Download) Paper Type Paper Type: N/A (Digital PDF Download) Compatibility Os Compatibility: Windows, Mac, Linux OS Requirements Software Requirement: Adobe Reader ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, fan-cooled (typical for model era) Engine Displacement: 339cc (approximate, based on model name) Performance Horsepower: Specifies horsepower and torque curves where available in manual. Fuel System Carburetor: Details specific carburetor models, jetting, and adjustment procedures. Fuel Type: Leaded gasoline, unleaded gasoline (with appropriate oil mix). Lubrication Oil Mixture: Specifies recommended oil-to-fuel ratio for 2-stroke engine. 🔧 Transmission Standard Drive System: Automatic (CVT-type clutch system) Driven Clutch: Service and calibration procedures for the driven clutch (e.g., Comet or Polaris clutch). Drive Clutch: Service, alignment, and weight adjustment procedures for the drive clutch. Features Chaincase Oil: Specifications for chaincase lubricant and capacity. 📐 Dimensions Weights Dry Weight: Details dry weight specifications provided by Polaris for the Apollo 340. Dimensions Overall Length: Specifies overall length of the snowmobile. Overall Width: Specifies overall width of the snowmobile. Track Dimensions: Details track width, length, and pitch. 🛡️ Safety Features Ratings Operational Safety: Emphasizes safety precautions for operation and maintenance. Active Features Kill Switch: Procedure for checking and ensuring proper operation of the engine kill switch. Passive Features Body Panels: Information on securement and integrity of body panels for protection. 💡 Technology Features Infotainment Gauge Cluster: Details on speedometer, tachometer (if equipped), and indicator lights. Driver Assistance Lighting System: Service procedures for headlight, taillight, and brake light operation. Connectivity Electrical Components: Basic electrical system schematics and component identification. 🔧 Maintenance Service Intervals Periodic Maintenance: Details recommended service schedules for regular maintenance tasks. Fluid Specifications Spark Plugs: Specifies correct spark plug type, gap, and torque. Coolant Type: N/A (Fan-cooled engine, does not use coolant). Gear Oil: Specifies type and viscosity for chaincase lubrication. Known Issues Common Wear Items: Highlights common wear items such as drive belts, clutch components, and track components. Carburetor Cleaning: Guidance on carburetor cleaning and jetting adjustments, common for vintage engines. Clutch Maintenance: Information on clutch maintenance, including roller replacement and spring inspection. Preventive Maintenance Storage Procedures: Guidelines for proper off-season storage and preparation for the riding season. 📚 Vehicle History Brand Heritage Polarise Legacy: Polaris has a long history in snowmobile manufacturing, known for innovation and performance. Model Evolution Apollo Series: The Apollo series was a significant model line for Polaris during the late 1970s and early 1980s. Production Manufacturing Era: Produced during a competitive period in snowmobile development. 🏆 Awards & Recognition Recognitions Historical Significance: Recognized as a part of Polaris's strong presence in the early snowmobile market.