🏷️ Basic Information Identification Make: Polaris Model: Scrambler Model Variant: 400, 500 Model Years: 1999, 2000 Vehicle Type: All-Terrain Vehicle (ATV) Drivetrain: 2WD (4x2) and 4WD (4x4) variants 👋 Introduction Market Position Market Segment: Performance-oriented sport ATVs Key Features Primary Selling Points: Versatility (400/500cc engines, 2WD/4WD), sport-tuned suspension, powerful engine performance for its era Competitive Analysis Competitors: Yamaha Wolverine, Suzuki QuadRunner, Honda FourTrax, Kawasaki Bayou/Prairie (depending on specific configurations) 📋 Manual Details Coverage Coverage Areas: All versions of 1999 Polaris Scrambler 400/500 ATVs; 2000 Polaris Scrambler 400 4x2, 400 4x4, and 500 ATVs Type Manual Type: Repair Manual, Owner's Manual, Parts Catalog (implied) Format Format: Electronic Downloadable PDF Language Language: English (assumed based on typical product offerings) Accessibility Delivery: Instant download after payment 📖 Manual Coverage Systems Systems Covered: General Information, Routine Maintenance, Engine Removal & Installation, Fuel System, Lubrication & Cooling System, Engine Specifications, Transmission, Drive Chain & Sprockets, Steering System, Shocks, Body Work, Intake & Exhaust, Electrical System, Advanced Troubleshooting Procedures Procedures Included: Repair procedures, parts lookup, routine maintenance, diagnostic troubleshooting Depth Technical Depth: Comprehensive, suitable for performing repairs, maintenance, and diagnostics 📊 Manual Specifications File Format File Format: PDF Features Searchable Text: Implied, standard for quality PDF manuals Printability: Printable pages for workshop use Support Lifetime Policy: Lifetime protection policy against loss or damage ⚙️ Engine Specifications Scrambler 400 Primary Engine: 375cc liquid-cooled, 2-stroke, single-cylinder engine Fuel System: Carburetor (e.g., Mikuni VM36/38 series, specific to model year) Ignition: CDI (Capacitor Discharge Ignition) Cooling System: Liquid-cooled Scrambler 500 Primary Engine: 499cc liquid-cooled, 4-stroke, single-cylinder engine Fuel System: Carburetor (e.g., Mikuni BSR series, specific to model year) Ignition: CDI (Capacitor Discharge Ignition) Cooling System: Liquid-cooled Common Compression Ratio: Varies by engine (e.g., 6.2:1 for Scrambler 400, 9.0:1 for Scrambler 500 - typical values, manual to confirm) 🔧 Transmission Drive System Transmission Type: Automatic, Polaris Variable Transmission (PVT) with Polaris Demand Drive (for 4x4 models) Gear Reduction: High and Low range, Reverse Drive Chain: O-ring sealed chain, specific size (e.g., 520) and pitch to be detailed in manual Final Drive: Shaft drive with differentials (front on 4x4), sealed chain drive (rear) 📐 Dimensions Exterior Length: Approx. 74.5 inches (189.2 cm) - typical for the era, manual to confirm exact Width: Approx. 44.5 inches (113 cm) - typical for the era, manual to confirm exact Height: Approx. 45.5 inches (115.6 cm) - typical for the era, manual to confirm exact Weights Dry Weight: Approx. 515-560 lbs (233-254 kg) depending on model/drivetrain - manual to confirm exact Payload Capacity: Typically around 200 lbs (90 kg) for racks - manual to confirm exact Towing Capacity: Typically around 1,500 lbs (680 kg) with accessory hitch - manual to confirm exact 🛡️ Safety Features Active Features Braking System: Hydraulic disc brakes (front and rear) - specifics on caliper and rotor size in manual Passive Features Handlebars: ATV-style handlebars with thumb throttle and brake levers Lighting: Headlights, taillight/brake light 💡 Technology Features Infotainment Dashboard Display: Basic digital/analog display for speedometer, odometer, fuel level, possibly engine hour meter. Specifics in manual. Driver Assistance Drive System Engagement: Polaris Demand Drive system for automatic 4WD engagement on 4x4 models, activated by throttle position and wheel speed sensors. Operation details in manual. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 20-40 operating hours or annually; specific type and capacity in manual Air Filter Cleaning: Frequent cleaning recommended, especially in dusty conditions; replacement intervals in manual Spark Plug Maintenance: Inspection and replacement intervals specified in manual Fluid Specifications Engine Oil Type: API SG or higher, SAE 0W-40 or 10W-40 (for 4-stroke Scrambler 500); 2-stroke oil injection for Scrambler 400 (specific type in manual) Coolant Type: Ethylene glycol-based antifreeze/coolant mixture; specific ratio and type in manual Transmission Fluid: Refer to manual for specific Polaris PVT fluid or compatible fluid for final drives/gearboxes Known Issues Common Wear Items: CV boots (especially on 4x4 models), drive belts in PVT, brake pads, wheel bearings, throttle cables Engine Considerations: 2-stroke engine requires proper fuel/oil mixture or oil injection system maintenance for Scrambler 400; 4-stroke 500cc engine generally robust but requires standard maintenance Electrical Considerations: Wiring harness integrity, stator/rectifier function, battery health are critical maintenance points 📚 Vehicle History Brand Heritage Manufacturer: Polaris Industries, Inc. Model Evolution Predecessors: Polaris Xplorer series, earlier Polaris ATVs Market Positioning: Polaris's push into the sport ATV segment, building on their utility ATV reputation Production Manufacturing Location: USA (Roseau, Minnesota for Polaris) 🏆 Awards & Recognition Recognitions Industry Impact: Polaris Scrambler series contributed to Polaris's growth in the sport ATV market, known for a good balance of power and handling for its time.