diff --git a/site_ansto/instrument/pelican/config/motors/motor_configuration.tcl b/site_ansto/instrument/pelican/config/motors/motor_configuration.tcl
index be104aaa..fcae53c1 100644
--- a/site_ansto/instrument/pelican/config/motors/motor_configuration.tcl
+++ b/site_ansto/instrument/pelican/config/motors/motor_configuration.tcl
@@ -702,7 +702,7 @@ my home 0
 my speed 1.0
 
 # mc4: Monochromator crystal stages  Rotation stage - R275 
-set momStepRate 25000
+set momStepRate 12500
 
 Motor mom $motor_driver_type [params \
   asyncqueue mc4\
@@ -718,7 +718,7 @@ Motor mom $motor_driver_type [params \
   stepsPerX $momStepRate\
   absEnc 1\
   absEncHome $mom_Home\
-  cntsPerX 4096]
+  cntsPerX 2048]
 mom speed 0.5
 mom part crystal
 mom long_name mom