2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 317Get this manual
ELECTRICAL STARTER MOTOR
StarterStarter Lockout System Diagram
The starter and starter lockout system consists of: BatteryFuse or Circuit Breaker Key SwitchOffRun Switch Starter Solenoid Brake SwitchTransmission (Neutral) Switch Start Diode Starter Motor Starter Motor TurnsEngine Does Not Rotate Faulty starter drive Faulty starter drive gears or starter motor gear Faulty flywheel gear or loose flywheel
Voltage Drop Testing
The Voltage Drop Test is used to test for bad connectionsWhen performing the test, you are testing the amount of voltage drop through the connectionA poor or corroded connection will appear as high voltage readingVoltage shown on the meter when testing connections should not exceed 0.1 VDC per connection or componentTo perform the test, place the meter on DC volts and place the meter leads across the connection to be testedRefer to the chart on 9.35 to perform voltage drop tests on the starter system