I have a couple questions regarding brakes, I know on the right handle bar is the front brake fluid goes and underneath the side panel by the battery is where the rear break fluid goes, but what is the one on the left handle bar for? Before finding out where the rear brake flird was located I thought that was 4 the rear and tried to get it to bleed butcouldn't because I don't thin that's for the rear. If in fact that is for the clutch would that effect how loose the chain has become?? What effects could that have if not bleed correctly? SorryI have no service manual and kind of new to fixing bikes...