Basic Information Identification Make: Polaris Model: 400 6x6 Year: 1994 Vehicle Type: All-Terrain Vehicle (ATV) Engine Configuration: Two-stroke, parallel-twin Codes Engine Code: Not explicitly stated, but typically a Polaris 2-stroke design. Introduction Market Position Market Segment: Utility ATV, designed for work and recreational use, particularly in demanding terrain due to its 6x6 configuration. Competitive Analysis Key Competitors 1994: Honda FourTrax, Yamaha Kodiak, Suzuki QuadRunner, Kawasaki Bayou. Key Features Unique Selling Points: The 6x6 drivetrain provides superior traction and load-carrying capability compared to 4x4 or 2x4 counterparts. Target Application: Hunting, farming, trail riding, utility work, off-road exploration. Manual Details Coverage Areas Primary Coverage: Factory Service Repair Target Audience: Mechanics and DIY enthusiasts Page Count Estimated Page Count: Likely in the range of 200-300 pages, typical for a comprehensive factory service manual of this era. Manual Type Manual Type: Service Manual Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Engine Service: Disassembly, assembly, inspection, repair, tuning of the 2-stroke engine. Fuel System: Carburetor adjustment, cleaning, overhaul; fuel pump and lines. Ignition System: Spark plug specifications, CDI unit, stator, troubleshooting. Transmission Drive: Gearbox operation, maintenance, inspection, disassembly, assembly, drive shafts. Drivetrain 6X6: Operation and maintenance of the 6-wheel drive system, differential locks (if applicable), drive shafts. Suspension System: Front and rear suspension components, shock absorbers, bushings, adjustment. Braking System: Hydraulic brake system, caliper service, master cylinder, brake lines, pads, rotors. Electrical System: Wiring diagrams, lighting, battery, starter, charging system, troubleshooting. Cooling System: Liquid cooling system (if applicable), radiator, hoses, coolant specifications. Frame Chassis: Frame inspection, straightening procedures, component mounting. Bodywork Plastics: Panel removal, installation, repair of plastic components. Procedures Included Maintenance Procedures: Regular service checks, lubrication, filter changes, fluid checks. Troubleshooting Guide: Systematic diagnostic procedures for common and uncommon issues. Repair Instructions: Step-by-step guides for component repair and replacement. Disassembly Assembly: Detailed instructions for taking apart and putting back together major vehicle components. Torque Specifications: Precise torque values for all critical fasteners. Wiring Diagrams: Comprehensive electrical schematics for fault finding and repair. Technical Depth Depth Of Information: Comprehensive, covering from basic maintenance to full engine and transmission rebuilds. Diagnostic Capabilities: Advanced diagnostic procedures for electrical and mechanical systems. Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Quality Suitability: Optimized for digital viewing and printing. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Searchability Text Searchability: Likely searchable text, enabling quick access to information. Engine Specifications Primary Engine Engine Type: Two-stroke, liquid-cooled, parallel-twin Displacement: 340cc (approximately) Bore X Stroke: Typical for this engine size, specific values would be in the manual. Horsepower: Estimated 20-25 HP (typical for a 340cc 2-stroke of this era). Torque: Specific torque figures would be detailed in the manual, but designed for low-end grunt. Performance Compression Ratio: Specific figures provided in the manual. Fuel System Carburetion: Dual Mikuni carburetors (common for twin-cylinder Polaris). Fuel Type: Unleaded gasoline Fuel Mixture: Requires oil/gasoline pre-mix or oil injection system (manual would detail if applicable). Cooling System Cooling Method: Liquid-cooled Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Drive Select: 6x6, 4x6, 2x6 selectable drive modes. Features Gear Reduction: Low range gearing for towing and steep climbs, High range for general riding. Clutch Type: Primary and secondary CVT clutches. Transmission Fluid: Specific ATF type required (e.g., Dexron III) would be in the manual. Dimensions Exterior Length: Specific dimensions provided in the manual, but generally a longer wheelbase for stability. Width: Specific dimensions provided in the manual, designed to accommodate 6 wheels. Height: Specific dimensions provided in the manual. Weights Dry Weight: Likely around 550-650 lbs, designed for utility and carrying capacity. Towing Capacity: Typically rated for significant towing, often 1000 lbs or more, and substantial rack capacity. Safety Features Ratings Atv Safety Standards: Adherence to ANSI standards for ATVs prevalent in this era. Active Features Braking Type: Hydraulic disc brakes, front and rear. Lighting: Headlights and taillight for visibility. Passive Features Roll Over Protection: None; standard ATV safety disclaimer regarding rollover risk applies. Seatbelts Roll Cage: Not equipped; rider operates as an open vehicle. Technology Features Infotainment Infotainment Features: None; basic instrumentation (speedometer, odometer, indicator lights). Driver Assistance Driver Assistance Features: None. Connectivity Connectivity Options: None. Maintenance Service Intervals Oil Change Engine: Specific recommendations in manual, typically every 20-40 hours or annually for 2-stroke engines. Air Filter Service: Frequent inspection and cleaning, especially in dusty conditions (manual will detail intervals). Spark Plug Replacement: As per manual recommendations, typically every 100-200 hours or as needed. Fluid Specifications Engine Oil Type: 2-stroke synthetic blend oil (specific API TC-W3 rating or equivalent recommended). Coolant Type: Ethylene glycol-based antifreeze mixed with distilled water (specific ratio in manual). Brake Fluid Type: DOT 3 or DOT 4 brake fluid. Known Issues Common Wear Items: CVT belt wear, suspension bushings, starter motor reliability, carburetor jetting...