🏷️ Basic Information Identification Make: Polaris Model Family: Sportsman XP 850 Series Year Covered: 2011 Vehicle Type: All-Terrain Vehicle (ATV) Generation Platform: Polaris 850 High Output ProStar Codes Engine Code General: ProStar 850 👋 Introduction Market Position Category: Premium High-Performance Utility ATV Target User: Ranchers, hunters, trail riders, and recreational users demanding robust power and capability. Competitive Analysis Key Competitors: Can-Am Outlander 800R, Yamaha Grizzly 700, Arctic Cat 700/1000 series. Unique Selling Points: 850cc ProStar engine, independent rear suspension (IRS), available Electronic Power Steering (EPS), Polaris Variable Transmission (PVT). Key Features Engine Power: High output 850cc, liquid-cooled, DOHC, 8-valve, 4-stroke engine. Suspension Design: Dual A-arm front suspension with 8.2" travel; Dual A-arm rear suspension with 9.5" travel (IRS). Steering Assistance: Optional Electronic Power Steering (EPS) reduces steering effort significantly. Transmission Type: Automatic PVT (Polaris Variable Transmission) with Engine Braking. 📋 Manual Details Coverage Areas Models Covered: Sportsman XP 850, Sportsman XP 850 EPS, Sportsman XP 850 EPS International, Sportsman X2 850, Sportsman Touring 850, Sportsman Touring 850 International Page Count Total Pages: 396 Manual Type Manual Type: Factory Service Manual / Repair Manual Language Language: English Format Delivery Format: PDF Download 📖 Manual Coverage Systems Covered Engine System: Complete diagnosis, repair, and overhaul procedures for the 850cc ProStar engine. Fuel System: Detailed coverage of Electronic Fuel Injection (EFI) system, including fuel pump, injectors, sensors, and ECU troubleshooting. Cooling System: Radiator, fan, coolant flow, thermostat, and water pump diagnostics and service. Transmission System: Service and repair procedures for the Automatic (PVT) transmission, including belt inspection, clutch assembly, and gearbox. Clutching System: Primary and secondary clutch inspection, maintenance, and adjustment for optimal performance. Final Drive System: Front and rear differential, driveshaft, and axle service, including lubrication and seal replacement. Body Frame: Body panel removal and installation, frame inspection, and mounting hardware. Steering Suspension: Front and rear suspension component service, steering linkage, tie rods, wheel bearings, and shock absorbers. Brake System: Hydraulic brake system diagnosis, caliper service, pad replacement, bleeding procedures, and parking brake. Electrical System: Comprehensive electrical system coverage including starting, charging, lighting, ignition, sensors, ECU, and detailed wiring diagrams. Procedures Included Routine Maintenance: Scheduled maintenance tasks, fluid changes, filter replacements, lubrication points, and pre-ride inspections. Troubleshooting: Diagnostic charts and step-by-step troubleshooting guides for common and complex issues. Engine Repair: Detailed procedures for engine disassembly, component inspection, reassembly, and tuning. Transmission Repair: Procedures for PVT belt replacement, clutch adjustment, and general transmission upkeep. Electrical Diagnostics: Step-by-step diagnosis of electrical faults using wiring diagrams and component testing. Suspension Alignment: Front-end alignment procedures and specifications. Brake Bleeding: Proper hydraulic brake bleeding techniques. Component Overhaul: Detailed instructions for overhauling major components like the engine, transmission, and differentials. Technical Depth Depth Of Coverage: Comprehensive, factory-level technical information suitable for both novice DIYers and professional mechanics. Detail Level: Includes exploded views, torque specifications, diagnostic codes, and detailed wiring diagrams. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text within the PDF for quick information retrieval. Print Quality Printability: Printable for individual sections or the entire manual. Binding Type Recommended Binding: 3-ring binder (user supplied) Paper Type Ideal Paper Format: Standard letter/A4 (user printable) ⚙️ Engine Specifications Primary Engine Engine Family: ProStar Displacement: 850cc Engine Type: 4-stroke, DOHC, 4-valve per cylinder Cooling Method: Liquid-cooled Performance Horsepower Estimate: ~70 HP (specific to model variants, manual provides detailed dyno data) Torque Estimate: ~60 lb-ft (specific to model variants, manual provides detailed dyno data) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type Recommendation: Unleaded gasoline, 87 octane (minimum) 🔧 Transmission Standard Transmission Type: Automatic PVT (Polaris Variable Transmission) Drive Modes: High, Low, Neutral, Reverse, Park Engine Braking: Standard feature on PVT for downhill control. Features Clutch System: Dual centrifugal clutch system with primary and secondary sheaves. Final Drive: Sealed, constant velocity (CV) shaft drive to rear wheels, shaft drive to front differential (on 4x4 models). 📐 Dimensions Exterior Length Approx: 83.7 inches (212.6 cm) Width Approx: 48 inches (121.9 cm) Height Approx: 50 inches (127 cm) Weights Dry Weight Approx: 670-700 lbs (304-318 kg) - varies by model Towing Capacity: 1500 lbs (680 kg) Rack Capacity Front: 200 lbs (90.7 kg) Rack Capacity Rear: 400 lbs (181.4 kg) 🛡️ Safety Features Ratings Vehicle Classification: Class 1 ATV (recreational use, often requires registration and safety training depending on jurisdiction) Active Features Braking System: Hydraulic disc brakes front and rear, sealed mechanical rear wheel brake. Parking Brake: Standard on transmission/rear brake caliper. Passive Features Lighting: Dual 50W halogen headlights, dual brakelights/taillights. Seat Belt Requirement: Not standard on ATVs; riders must wear DOT-approved helmets and appropriate protective gear. 💡 Technology Features Infotainment Display Features: Basic digital instrument cluster displaying speed, RPM, fuel level, gear selection, odometer, trip meter, engine hours. Driver Assistance Power Steering: Available Electronic Power Steering (EPS) system reduces rider fatigue. Connectivity Diagnostic Ports: Access to EFI system...