2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 169Get this manual

2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 169

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FUEL SYSTEMCARBURETION

& Improper springJet needle position incorrectIncorrect pilot screw adjustment Rich Mixture Symptoms: Fouls spark plugs, black, sooty exhaust smoke, rough idle, poo

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