2008 Polaris ATV Sportsman 300 400 H.O. Service Manual, Page 4Get this manual
GENERAL INFORMATION MODEL: 2008 SPORTSMAN 300 MODEL NUMBER:A08LH27AX, AZ ENGINE MODEL:ES300PFE012
Engine Platform Engine Model Number Engine Displacement Number of Cylinders BoreStroke (mm) Compression Ratio Compression Pressure Engine Idle Speed Cooling System Overheat Warning Lubrication Oil Requirements Exhaust System Carburetor model Main Jet Pilot JetPilot Air Jet Jet Needle Needle Jet PilotAir Screw Float Height Fuel Delivery Fuel Capacity Fuel Requirement (Octane) Alternator Output Voltage Regulator Head Lights Brake Light Tail Light Ignition System Ignition Timing Spark plugGap BatteryModelAH Circuit Breakers Starting Indicator Panel Fuji 4-cycle, AC, Single CylES300PFE012 299cc 77.7 63 mm 9.2:1 120-140 psi 1400 RPM AirOil Cooled None Wet Sump PS-4 Plus1.7 qt(1.6 L) Single PipeUSFS Approved Carburetion Mikuni BST 34mm 140 45140 4HC57-3 0-5M 2.5 Turns Out (Initial setting) 13mm from carburetor body Fuel Pump (Impulse) 4.5 gal(17 L) 87 Octane (minimum) 89 Oxygenated Electrical 250 watt 6000 RPM 3-Phase 20 Amp 12V37.5 watts 12V26.9 watts 12V8.26 watts DCCDI 10 BTDC 1500 RPM 30 BTDC 5000 RPM NGK CR8E.031 in(.8 mm) YuasaYB14-B214 AH 15AAccessory15AMain Harness ElectricRecoil Back-up LCDIndicator lights