diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index fd62a27a..ddf0b9b2 100755
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -1172,7 +1172,6 @@
     "servosEepromSave": {
         "message": "EEPROM <span style=\"color: #37a8db\">saved</span>"
     },
-
     "gpsHead": {
         "message": "GPS"
     },
diff --git a/js/motorMixerRuleCollection.js b/js/motorMixerRuleCollection.js
index 5671e9a2..0870bb77 100644
--- a/js/motorMixerRuleCollection.js
+++ b/js/motorMixerRuleCollection.js
@@ -6,6 +6,16 @@ var MotorMixerRuleCollection = function () {
     var self = {};
     var data = [];
 
+    self.motorCount = 0;
+
+    self.setMotorCount = function (value) {
+        self.motorCount = value;
+    };
+
+    self.getMotorCount = function () {
+        return self.motorCount;
+    };
+
     self.put = function (element) {
         data.push(element);
     };
@@ -42,7 +52,7 @@ var MotorMixerRuleCollection = function () {
     };
 
     self.hasFreeSlots = function () {
-        return data.length < 8;
+        return data.length < self.getMotorCount();
     };
 
     return self;
diff --git a/js/msp/MSPHelper.js b/js/msp/MSPHelper.js
index b25248d8..89e2ce47 100644
--- a/js/msp/MSPHelper.js
+++ b/js/msp/MSPHelper.js
@@ -177,6 +177,7 @@ var mspHelper = (function (gui) {
 
                     needle += 2;
                 }
+                MOTOR_RULES.setMotorCount(motorCount);
                 break;
             case MSPCodes.MSP_RC:
                 RC.active_channels = dataHandler.message_length_expected / 2;
@@ -2603,6 +2604,10 @@ var mspHelper = (function (gui) {
         }
     };
 
+    self.loadMotors = function (callback) {
+        MSP.send_message(MSPCodes.MSP_MOTOR, false, false, callback);
+    };
+
     self.getCraftName = function(callback) {
         if (semver.gt(CONFIG.flightControllerVersion, "1.8.0")) {
             MSP.send_message(MSPCodes.MSP_NAME, false, false, function(resp) {
diff --git a/tabs/motors.js b/tabs/motors.js
index 0e8d9ffd..0fbd4d5d 100644
--- a/tabs/motors.js
+++ b/tabs/motors.js
@@ -19,25 +19,36 @@ TABS.motors.initialize = function (callback) {
         googleAnalytics.sendAppView('Motors');
     }
 
-    function load_config() {
-        MSP.send_message(MSPCodes.MSP_BF_CONFIG, false, false, load_3d);
-    }
-    
-    function load_3d() {
-        MSP.send_message(MSPCodes.MSP_3D, false, false, get_motor_data);
-    }
-    
-    function get_motor_data() {
-        update_arm_status();
-        MSP.send_message(MSPCodes.MSP_MOTOR, false, false, load_html);
-    }
+    var loadChainer = new MSPChainerClass();
+
+    loadChainer.setChain([
+        mspHelper.loadMisc,
+        mspHelper.loadBfConfig,
+        mspHelper.load3dConfig,
+        mspHelper.loadMotors,
+        mspHelper.loadMotorMixRules
+
+    ]);
+    loadChainer.setExitPoint(load_html);
+    loadChainer.execute();
+    update_arm_status();
+
+    var saveChainer = new MSPChainerClass();
+
+    saveChainer.setChain([
+        mspHelper.sendMotorMixer,
+        mspHelper.saveToEeprom
+    ]);
+    saveChainer.setExitPoint(function () {
+        GUI.log(chrome.i18n.getMessage('eeprom_saved_ok'));
+        MOTOR_RULES.cleanup();
+        // renderServoMixRules(); //TODO render after save
+    });
 
     function load_html() {
         $('#content').load("./tabs/motors.html", process_html);
     }
 
-    MSP.send_message(MSPCodes.MSP_MISC, false, false, load_config);
-
     function update_arm_status() {
         self.armed = bit_check(CONFIG.mode, 0);
     }
diff --git a/tabs/servos.js b/tabs/servos.js
index 507bb77d..25610b10 100755
--- a/tabs/servos.js
+++ b/tabs/servos.js
@@ -47,7 +47,7 @@ TABS.servos.initialize = function (callback) {
          */
         var rules = SERVO_RULES.get();
         $servoMixTableBody.find("*").remove();
-        for (servoRuleIndex in rules) {
+        for (var servoRuleIndex in rules) {
             if (rules.hasOwnProperty(servoRuleIndex)) {
                 const servoRule = rules[servoRuleIndex];