diff --git a/index.html b/index.html
index 9043dcd0..5218a8d4 100644
--- a/index.html
+++ b/index.html
@@ -2014,6 +2014,10 @@ <h5 class="modal-title-revision"></h5>
                                                         <label>D-Shot Offset %</label>
                                                         <input type="text" step="0.01" min="0" max="1" />
                                                     </td>
+                                                    <td name="motor_idle">
+                                                        <label>Motor idle %</label>
+                                                        <input type="text" step="0.01" min="0" max="1" />
+                                                    </td>
                                                     <td name="motorOutputLow">
                                                         <label>D-Shot Motor Low</label>
                                                         <input type="text" step="10" min="0" max="2047" />
diff --git a/src/flightlog_parser.js b/src/flightlog_parser.js
index fb71b1c5..7760bd11 100644
--- a/src/flightlog_parser.js
+++ b/src/flightlog_parser.js
@@ -817,6 +817,7 @@ export function FlightLogParser(logData) {
         }
         break;
 
+      case "motor_idle":
       case "digitalIdleOffset":
         that.sysConfig[fieldName] = parseInt(fieldValue, 10) / 100.0;
 
diff --git a/src/header_dialog.js b/src/header_dialog.js
index b3525cdd..ea1440df 100644
--- a/src/header_dialog.js
+++ b/src/header_dialog.js
@@ -323,6 +323,12 @@ export function HeaderDialog(dialog, onSave) {
       name: "digitalIdleOffset",
       type: FIRMWARE_TYPE_BETAFLIGHT,
       min: "3.1.0",
+      max: "4.5.1",
+    },
+    {
+      name: "motor_idle",
+      type: FIRMWARE_TYPE_BETAFLIGHT,
+      min: "4.6.0",
       max: "999.9.9",
     },
     {
@@ -665,7 +671,7 @@ export function HeaderDialog(dialog, onSave) {
       name: "dyn_idle_start_increase",
       type: FIRMWARE_TYPE_BETAFLIGHT,
       min: "4.5.0",
-      max: "999.9.9",
+      max: "4.5.1",
     },
     {
       name: "dyn_idle_max_increase",
@@ -1783,6 +1789,7 @@ export function HeaderDialog(dialog, onSave) {
     renderSelect("debug_mode", sysConfig.debug_mode, DEBUG_MODE);
     setParameter("motorOutputLow", sysConfig.motorOutput[0], 0);
     setParameter("motorOutputHigh", sysConfig.motorOutput[1], 0);
+    setParameter("motor_idle", sysConfig.motor_idle, 2);
     setParameter("digitalIdleOffset", sysConfig.digitalIdleOffset, 2);
     renderSelect(
       "antiGravityMode",