🏷️ Basic Information Identification Make: Polaris Model: Sportsman Year: 2003 Generation: 3rd Generation (2000-2004) 📋 Manual Details Publication Manual Type: Workshop Service Repair Manual Language: English Format: Download PDF Content Scope: Service, Repair, and Parts ⚙️ Engine Specifications Engine 400 Engine Type: 4-stroke Single-cylinder Displacement: 375 cc Bore X Stroke: 88 mm x 62 mm Cooling System: Liquid Cooled Engine 500 Engine Type: 4-stroke Single-cylinder Displacement: 499 cc Bore X Stroke: 92 mm x 76 mm Cooling System: Liquid Cooled Carburetion Carburetor 400: Mikuni BNS34 Carburetor 500: Mikuni BNS40 🔧 Transmission Drivetrain Type: Automatic PVT (Polaris Variable Transmission) Drive Modes: 2WD/4WD Final Drive: Shaft Drive 🔧 Maintenance Lubrication Engine Oil Type: SAE 10W-40 Synthetic Engine Oil Capacity: 2.1 L (2.2 US qt) Transmission Oil Type: SAE 80W-90 Gear Oil Transmission Oil Capacity: 0.24 L (0.25 US qt) Intervals Initial Engine Oil Change: 10 hours or 1 month Regular Engine Oil Change: 20 hours or 3 months Air Filter Cleaning: Every 20 hours Spark Plug Inspection: Every 40 hours 📄 Chassis And Suspension Suspension Front Suspension Type: MacPherson Strut Rear Suspension Type: Independent Rear Suspension (IRS) with Dual A-Arms Front Wheel Travel: 7 in (17.8 cm) Rear Wheel Travel: 9.5 in (24.1 cm) 📄 Brakes Braking System Front Brake Type: Hydraulic Disc Rear Brake Type: Sealed Hydraulic Disc 📄 Wheels And Tires Wheel Size Front Wheel Size: 12 in Rear Wheel Size: 12 in Tire Size Front Tire Size: AT25x8-12 Rear Tire Size: AT25x11-12