The Polaris Apollo 340, produced for the 1979 and 1980 model years, represents a significant offering in its class. Known for its robust construction and reliable performance, this model was engineered to provide an exceptional riding experience. Its design emphasizes durability and user-friendliness, making it a capable machine for various recreational pursuits. The Apollo series, part of Polaris's established legacy in snowmobile manufacturing, is recognized for its balance of power and comfort, reflecting the brand's commitment to quality and innovation in the off-road vehicle market. This comprehensive service and repair manual provides detailed guidance for maintaining and troubleshooting the Polaris Apollo 340. Covering all essential systems, including the engine, fuel, transmission, brakes, electrical, body, and suspension, this manual offers step-by-step procedures for disassembly, reassembly, and repair. It is an invaluable resource for both do-it-yourself enthusiasts and professional mechanics, offering hundreds of pages of information, complete with illustrations, to ensure the longevity and optimal performance of your vehicle. The manual also includes troubleshooting tips and scheduled maintenance guidelines. 🏷️ Basic Information Identification Make: Polaris Model: Apollo 340 Years Covered: 1979, 1980 👋 Introduction Market Position Target Audience: Do-it-yourselfers and experienced mechanics Competitive Analysis Advantage Over Print: Less expensive, more convenient, accessible on multiple devices Key Features Convenience: Printable pages, portable to workshop, saved digitally to prevent damage Cost Savings: Inexpensive way to maintain vehicle, avoids high mechanic labor costs Content Detail: Hundreds of pages, hundreds of photos and illustrations, step-by-step instructions 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Page Count Estimated Pages: Hundreds (exact number not specified but implied to be extensive) Manual Type Type: Full Factory Service Repair Manual / Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, tuning, diagnostics, disassembly, reassembly Fuel System: Carburetor adjustment, fuel pump, fuel lines, fuel tank servicing Body Suspension: Body panel repair, suspension components, track system, shocks, skis Steering: Steering column, tie rods, handlebar linkage, adjustments Final Drive: Sprockets, chain, lubrication, inspection Transmission: Drive clutch, driven clutch, belt inspection and replacement, secondary sheave service Brakes: Brake system components, adjustments, servicing Electrical: Ignition system, lighting, wiring diagrams, troubleshooting, battery Procedures Included Maintenance: Scheduled maintenance, fluid changes, lubrication, inspections Repair: Step-by-step repair procedures for all covered systems Troubleshooting: Diagnostic procedures and common issue resolution Technical Depth Depth: Comprehensive: covers complete disassembly and reassembly with hundreds of photos and illustrations 📊 Manual Specifications File Format Compatibility: All Windows and Mac versions, accessible via web browser Required Software: Adobe PDF Reader, Winzip (free) Print Quality Printability: Fully printable, allows printing of selected pages or entire manual Binding Type Binding: Digital (PDF format), no physical binding Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, fan-cooled (typical for era and model) Displacement: 339.7 cc (approximate, based on '340' designation) Bore X Stroke: Specifics not provided, but manual would detail these Performance Horsepower: Estimates around 20-25 HP (typical for this class of snowmobile, manual will have exact figures) Torque: Specifics not provided, manual will detail torque figures Fuel System Carburetor: Single or dual carburetor setup, likely Mikuni or similar (manual will specify model and jetting) Fuel Type: Leaded gasoline, mixed with 2-stroke oil (pre-mix ratio detailed in manual) 🔧 Transmission Standard Type: Continuously Variable Transmission (CVT) with Polaris Variable Ratio Drive (PVR) Optional Optional Transmissions: N/A (Single transmission type for this model) Features Drive Clutch: Centrifugal clutch for engagement Driven Clutch: Torque sensing driven clutch for ratio change Belt Maintenance: Belt inspection, replacement, clutch alignment procedures covered 📐 Dimensions Exterior Overall Length: Specific dimensions not provided, but manual would include detailed chassis measurements. Weights Dry Weight: Approximate dry weight around 350-400 lbs (typical for this era and size, manual will confirm) 🛡️ Safety Features Ratings Crash Safety: N/A for snowmobiles of this era; focus is on operational safety and maintenance. Active Features Kill Switch: Engine kill switch/lanyard (standard safety feature) Passive Features Lighting: Headlight, taillight (electrical section covers maintenance) 💡 Technology Features Infotainment Infotainment System: N/A (Basic analog gauges for speed, RPM, engine temp) Driver Assistance Driver Assistance Features: N/A (No electronic driver assistance systems) Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Belt Check: Regular inspection of drive belt for wear and damage (manual will provide mileage/time intervals) Clutch Service: Periodic clutch cleaning and inspection (manual will specify) Spark Plugs: Regular spark plug inspection and replacement (manual will specify gap and type) Fluid Specifications 2 Stroke Oil: Specific oil type and pre-mix ratio (e.g., SAE 30 or 40 2-stroke oil) detailed in manual Chaincase Oil: Specific oil type and viscosity for the final drive chaincase (e.g., SAE 80W-90 gear oil) detailed in manual Known Issues Clutch Slippage: Common issue if belt is worn or clutches are not properly aligned or maintained. Carburetor Fouling: Can occur with improper fuel mixture or if...