Leaders of the world's largest economies, divided over how to curb risk-taking by their biggest banks, will likely fail to agree on a capital surcharge.

Instead, the Financial Stability Board, which is weighing measures to prevent such institutions from causing another economic crisis, will recommend a range of options without setting a level of extra capital to be imposed globally, said members of the group who declined to be identified because the discussions are private. The FSB will meet in Seoul next week.

The fissures running through the group are similar to those that split the Basel Committee on Banking Supervision when it considered tighter capital requirements for all banks this year. Germany, France and Japan are resisting a surcharge for big lenders, as are lobbyists for those firms, while the U.K., U.S. and Switzerland advocate the approach, members say. That camp agreed to soften some of the Basel capital rules with the understanding that more would be done to restrain the largest banks through the FSB.