Use a text editor such as notepad to edit the "UTCustomChar.ini" file in the "/My Games/Unreal Tournament 3/UTGame/Config/" directory. Overwrite the line for "Kensai" with the following:

Characters=(CharName="Kensai",Description="", CharID="F",bLocked="false",Faction="TwinSouls", PreviewImageMarkup="",CharData=(FamilyID="TWIM", HeadID="A", TorsoID="C",ShoPadID="E",bHasLeftShoPad=true, bHasRightShoPad=true,ArmsID="B",ThighsID="C",BootsID="D"))

Add the following line at the shoulder pad parts section.

Parts=(Part=PART_ShoPad, ObjectName="CH_RTeam_Male.Mesh.SK_CH_RTeam_Male_XShoPad07", PartID="G",FamilyID="TWIM")

Add the following line at the boots parts section.

Parts=(Part=PART_Boots, ObjectName="CH_RTeam_Male.Mesh.SK_CH_RTeam_Male_Boots05", PartID="E",FamilyID="TWIM")

Add the following line at the arms parts section.

Parts=(Part=PART_Arms,ObjectName="CH_RTeam_Male.Mesh.SK_CH_RTeam_Male_Arms05", PartID="E",FamilyID="TWIM")