🏷️ Basic Information Identification Make: Polaris Model: ATV Model Variant: 250, 300, 350, 400 Codes Product Code: N/A (Digital Download) 👋 Introduction Market Position Target Audience: Owners and technicians of Polaris 250, 300, 350, and 400 ATVs from 1985-1995 seeking detailed repair and maintenance guidance. Competitive Analysis Value Proposition: Provides factory-level data for a broad range of Polaris ATV models from a significant production era, offering comprehensive coverage for maintenance, repair, and troubleshooting. Key Features Instant Access: Available for immediate download, eliminating shipping delays. Unlimited Use: No expiry dates or usage limits once downloaded. 📋 Manual Details Coverage Areas Applicable Years: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 Page Count Estimated Page Count: Varies by specific model and year within the range, typically 500+ pages for comprehensive coverage. Manual Type Manual Type: Full Service & Repair Workshop Manual Language Language: English Format Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine removal/installation, cylinder head, pistons, crankshaft, camshaft, valve train, lubrication system, cooling system. Fuel System: Carburetor overhaul and adjustment, fuel pump, fuel tank, fuel lines. Ignition System: Ignition timing, stator, CDI unit, spark plugs. Transmission Drivetrain: Gearbox, clutch (automatic or manual depending on model), final drive, drive shafts, universal joints, differential. Suspension: Front and rear suspension systems, shocks, springs, control arms, bushings. Steering: Steering column, tie rods, steering knuckles, steering rack/mechanism. Brakes: Hydraulic brake system, master cylinder, calipers, brake pads, brake lines, parking brake. Electrical System: Wiring diagrams, battery, starter motor, alternator/generator, lighting, switches, fuses, relays. Body Chassis: Frame inspection and repair, body panels, fenders, racks, seat replacement. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, chain adjustment, lubrication points. Troubleshooting: Diagnostic charts for common problems, symptom-based troubleshooting guides. Repair Procedures: Step-by-step instructions for component removal, overhaul, and reinstallation. Overhaul Rebuild: Detailed procedures for engine, transmission, and differential rebuilds. Technical Specifications: Torque specifications, clearances, tolerances, fluid capacities. Technical Depth Depth Of Coverage: Comprehensive factory-level detail, suitable for professional technicians and advanced DIY mechanics. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution digital scans, suitable for printing. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, air-cooled (common for this era, but manual covers specific variants). Displacement Range: Approximately 250cc to 400cc (specific models will detail exact displacement). Performance Horsepower Range: Typically in the 15-25 HP range, depending on the specific engine displacement and tuning. Torque Specs: Detailed in manual, varying by engine size. Fuel System Carburetor Details: Likely Mikuni or Keihin carburetors, with manual providing specific model numbers, jetting, and adjustment procedures. Fuel Type: Unleaded gasoline with appropriate oil pre-mix for 2-stroke engines. 🔧 Transmission Standard Transmission Type: Automatic (often PVT - Polaris Variable Transmission/CVT) with High/Low range and Reverse. Some early models might have had manual options, covered if applicable. Optional Optional Transmissions: N/A for this range, primary focus is on the standard automatic PVT system. Features Clutch System: Primary and secondary clutch service, belt inspection and replacement. Final Drive: Shaft drive, with manual covering maintenance of U-joints and differential. 📐 Dimensions Exterior Wheelbase: Varies by model, but generally around 48-52 inches. Specifics detailed in manual. Ground Clearance: Typically 7-10 inches. Specifics detailed in manual. Weights Dry Weight: Ranges from approximately 450 lbs to 550 lbs. Specifics detailed in manual. Towing Capacity: Generally rated around 1500-2000 lbs, manual will provide exact figures for specific models. 🛡️ Safety Features Ratings Atv Safety Standards: Adherence to industry safety standards prevalent during the production years. Manual provides safety precautions and warnings. Active Features Braking System Type: Hydraulic disc brakes on front and/or rear axles, depending on model. Manual details inspection and maintenance. Passive Features Frame Construction: Steel tube frame construction, manual covers frame inspection and potential repair. 💡 Technology Features Infotainment Infotainment Features: Basic for this era: likely focus on gauge cluster (speedometer, odometer, indicator lights). Manual details electrical component function. Driver Assistance Driver Assistance Features: N/A for this model range and era. Focus is on mechanical and electrical systems. Connectivity Connectivity Features: N/A. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 20-40 operating hours or annually. Manual specifies exact intervals and procedures for 2-stroke engine lubrication. Air Filter Cleaning: Recommended every 10-20 operating hours, or more frequently in dusty conditions. Manual provides cleaning and replacement instructions. Transmission Fluid Change: Check and change as per manual's recommendation, typically annually or based on mileage/hours. Fluid Specifications Engine Oil: For 2-stroke engines: Specific 2-stroke oil recommended by Polaris for pre-mix or injection systems. Manual will list part numbers or specifications (e.g., API TC). Transmission Gear Oil: Gear oil for gearbox and differential. Manual will specify viscosity (e.g., SAE 80W-90 GL-5) and capacity. Brake Fluid: DOT 3 or DOT 4 hydraulic brake fluid. Manual will specify. Known...