I phurchased a 2005 450r .It has been back to dealer do to engine failer 6 mons after I bought it. 6mons. later same thing only more internal and external damage. honda warr.won’t fix,dealer [Riders world says atv well maintained. warr.rep won’t speake to us and honda warr. co.investigate reps. so called [Hydro-lock]No evidence to support this.While out @ a atv trail in gilbert ther was. Sheriff’s Weekly Report 01-27-2017----Answered a call to Merrell Miles Road in reference to an Abandoned Vehicle. The vehicle had no valid insurance or tag and the vehicle was towed..