I have a 2011 Polaris 550 that is backfiring but will not start. Looking for suggestions on what I need to troubleshoot. Already put in a new plug. Anyone know how do you check the timing and what valve adjustment should be?
A forum community dedicated to Polaris ATV owners and enthusiasts. Come join the discussion about Rangers, Sportsmans, Scramblers, Magnums, and others. Research modifications, troubleshooting, maintenance, and more!