Hey guys im new here and could use some help. I was out riding this weekend and near the end of our ride at the new lost trails in Pa I lost the rear brakes on my 2013 grizzly 700 eps has 730 miles on it. Fluid is low and the lever pulls right in extremely easy none of the brake lines looked damage and the pads still have life think the master cylinder went bad or any other ideas. Thank you all for any help. With low fluid i should have some brakes s right ?