hey guys i own an R31 series 2 im having problems with my brakes, after replacing all my brake hoses with new rubber and braided flexible lines, new copper brake lines, new master cylinder and a new booster, having bleed the brakes more then dozen times gone through more then 10 bottles of brake fluid i still keep loosing pressure, its starting to drive me nuts. has anyone ever encounted problems with the R31 and their brakes, btw it does not have abs. someone help please!