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  1. Dust in Engine -- ALL STOCK INCLUDING FILTER

    ATV Repair and Maintenance
    I am looking for some guidance. Between my riding buddies and I, we have four Polaris 550's (2x 2011 550 Tourings, 2010 550 X2, and a 2012 550 X2), and 5 other polaris of varying styles. All of our machines are experiencing valve seat wear (lash less than .002", adjusted several times). One...
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