diff --git a/hrpsys_choreonoid_tutorials/config/HRP2JSKCustomizer.yaml b/hrpsys_choreonoid_tutorials/config/HRP2JSKCustomizer.yaml
index 1194a156..5ad2892e 100644
--- a/hrpsys_choreonoid_tutorials/config/HRP2JSKCustomizer.yaml
+++ b/hrpsys_choreonoid_tutorials/config/HRP2JSKCustomizer.yaml
@@ -1,8 +1,8 @@
 bush:
   springT: 3.3e5
   dampingT: 3.3e2
-  springR: 2.5e3
-  dampingR: 2.5
+  springR: 1.0e3
+  dampingR: 1.0
 
 tilt_laser:
   TILT_UPPER_BOUND: 1.35
diff --git a/hrpsys_choreonoid_tutorials/config/HRP2JSKNTCustomizer.yaml b/hrpsys_choreonoid_tutorials/config/HRP2JSKNTCustomizer.yaml
index 1194a156..5ad2892e 100644
--- a/hrpsys_choreonoid_tutorials/config/HRP2JSKNTCustomizer.yaml
+++ b/hrpsys_choreonoid_tutorials/config/HRP2JSKNTCustomizer.yaml
@@ -1,8 +1,8 @@
 bush:
   springT: 3.3e5
   dampingT: 3.3e2
-  springR: 2.5e3
-  dampingR: 2.5
+  springR: 1.0e3
+  dampingR: 1.0
 
 tilt_laser:
   TILT_UPPER_BOUND: 1.35
diff --git a/hrpsys_choreonoid_tutorials/config/HRP2JSKNTSCustomizer.yaml b/hrpsys_choreonoid_tutorials/config/HRP2JSKNTSCustomizer.yaml
index 1194a156..5ad2892e 100644
--- a/hrpsys_choreonoid_tutorials/config/HRP2JSKNTSCustomizer.yaml
+++ b/hrpsys_choreonoid_tutorials/config/HRP2JSKNTSCustomizer.yaml
@@ -1,8 +1,8 @@
 bush:
   springT: 3.3e5
   dampingT: 3.3e2
-  springR: 2.5e3
-  dampingR: 2.5
+  springR: 1.0e3
+  dampingR: 1.0
 
 tilt_laser:
   TILT_UPPER_BOUND: 1.35