I HAVE OWNED 3 POLARIS ATV'S ON ALL 3 THE REAR BRAKE MASTER CYLINDER HAS FAILED LEAVING NO REAR BRAKES I HAVE 2 FRIENDS THAT HAVE HAD THE SAME PROBLEM WITH THERE'S ALL 3 TIMES WHEN I HAVE GONE TO THE DEALER TO GET A NEW MASTER CYLINDER THE DEALER TELLS ME THAT THEY SELL THEM EVERY DAY THAT THERE IS A PROBLEM WITH THEM. *TR