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sportsman 400 knock idle

  1. ATV Repair and Maintenance
    Hi I recently bought a Polaris Sportsman 400 ATV with 190 miles on it and 60 hours, it looks like new. It was used for snow plowing 1 season and then stored other than being ridden by the owners granddaughter in the back yard a few times each summer. The problem is when first start and...
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