The purpose of yield maintenance is to let the investors earn their original yield (which is the interest you were paying on the loan). (valuepenguin.com)
However, because the lender is guaranteed to receive all of the interest on the loan, you can usually get a better interest rate on loans with yield maintenance. (valuepenguin.com)
Many borrowers today are seeking to avoid yield maintenance, which require the borrower to compensate for the yield lost by the debt holder should the loan be paid before maturity. (ashworthpartners.com)