2008 Polaris ATV Outlaw 450/525 Service Manual, Page 174Get this manual
ELECTRICAL Starter System Troubleshooting
Starter Motor Does Not Turn Battery dischargedLow specific gravity Loose or faulty battery cables or corroded connections (see Voltage Drop Tests) Related wiring loose, disconnected, or corroded Poor ground connections at battery cable, starter motor or starter solenoid (see Voltage Drop Tests) Faulty key switch Faulty kill switch Faulty neutral diode Faulty clutch switch Faulty starter solenoid or starter motor Engine problem seized or binding (Can engine be rotated easily ?) NOTE: The Outlaw will not push start or key start if the battery is disconnected or completely deadStarter Motor Turns Over Slowly Battery discharged Excessive circuit resistance poor connections (see Voltage Drop Test) Engine problem seized or binding (Can engine be rotated easily?) Faulty or worn brushes in starter motor Automatic compression release inoperative Starter Motor Turns Engine Does Not Rotate Faulty starter driveone way clutch Faulty starter drive gears or starter motor gear Faulty flywheel gear or loose flywheel Possible engine damage (+) Wire 3Should the diode test good and there is still problem, check the transmission switch, clutch switch, wiring, and harness connections2Using an ohm meter, test for continuity in each directionThe diode should only read continuity in one direction if working properly