2008 Polaris ATV Outlaw 450/525 Service Manual, Page 262Get this manual
9-3 ERROR Engine does not idle CAUSE Idling jet is clogged REMEDY Disassemble the carburetor and clean the jets
Adjusting screws on the carburetor are Adjust the carburetor turned in the wrong position Spark plug is defective Ignition system is defective Engine does not rev up Replace the spark plug Check the ignition system
Carburetor is flooded because the float Disassemble the carburetor and check for wear needle is soiled or worn Loose carburetor jets Defective electronic ignition advance Tighten the jets Check the ignition system