Depends on whether You want to spend a lot of money for tires.Assuming that the extended warranty covers tires.I have never bought an extended warranty for a motorcycle.My last three bikes had no problems other than tires and brakes wearing.2008 Road King 24,,000 miles,traded for, 2012 Limited 30,000 miles ,traded for ,2014 Limited 35,000 miles traded for 2017 Limited 8,000 miles so far.I believe extended warranties are a waste of money.