diff --git a/ArduCopter/motors_octa.pde b/ArduCopter/motors_octa.pde
index 5b8be50425..bafb4c71fd 100644
--- a/ArduCopter/motors_octa.pde
+++ b/ArduCopter/motors_octa.pde
@@ -17,7 +17,7 @@ static void output_motors_armed()
 	int out_max = g.rc_3.radio_max;
 
 	// Throttle is 0 to 1000 only
-	g.rc_3.servo_out 	= constrain(g.rc_3.servo_out, 0, MAXIMUM_THROTTLE);
+	g.rc_3.servo_out 	= constrain(g.rc_3.servo_out, 0, 800);
 
 	if(g.rc_3.servo_out > 0)
 		out_min = g.rc_3.radio_min + MINIMUM_THROTTLE;
diff --git a/ArduCopter/motors_octa_quad.pde b/ArduCopter/motors_octa_quad.pde
index a8c4331ee0..8025be1dac 100644
--- a/ArduCopter/motors_octa_quad.pde
+++ b/ArduCopter/motors_octa_quad.pde
@@ -17,7 +17,7 @@ static void output_motors_armed()
 	int out_max = g.rc_3.radio_max;
 
 	// Throttle is 0 to 1000 only
-	g.rc_3.servo_out 	= constrain(g.rc_3.servo_out, 0, MAXIMUM_THROTTLE);
+	g.rc_3.servo_out 	= constrain(g.rc_3.servo_out, 0, 800);
 
 	if(g.rc_3.servo_out > 0)
 		out_min = g.rc_3.radio_min + MINIMUM_THROTTLE;
diff --git a/ArduCopter/motors_quad.pde b/ArduCopter/motors_quad.pde
index e613cc6aa7..8b3e3720b0 100644
--- a/ArduCopter/motors_quad.pde
+++ b/ArduCopter/motors_quad.pde
@@ -16,7 +16,7 @@ static void output_motors_armed()
 	int out_max = g.rc_3.radio_max;
 
 	// Throttle is 0 to 1000 only
-	g.rc_3.servo_out 	= constrain(g.rc_3.servo_out, 0, MAXIMUM_THROTTLE);
+	g.rc_3.servo_out 	= constrain(g.rc_3.servo_out, 0, 800);
 
 	if(g.rc_3.servo_out > 0)
 		out_min = g.rc_3.radio_min + MINIMUM_THROTTLE;
diff --git a/ArduCopter/motors_tri.pde b/ArduCopter/motors_tri.pde
index 4c956965e9..8c7420487b 100644
--- a/ArduCopter/motors_tri.pde
+++ b/ArduCopter/motors_tri.pde
@@ -15,7 +15,7 @@ static void output_motors_armed()
 	int out_max = g.rc_3.radio_max;
 
 	// Throttle is 0 to 1000 only
-	g.rc_3.servo_out 	= constrain(g.rc_3.servo_out, 0, MAXIMUM_THROTTLE);
+	g.rc_3.servo_out 	= constrain(g.rc_3.servo_out, 0, 800);
 
 	if(g.rc_3.servo_out > 0)
 		out_min = g.rc_3.radio_min + MINIMUM_THROTTLE;
diff --git a/ArduCopter/motors_y6.pde b/ArduCopter/motors_y6.pde
index 98094e0eaf..c87dfc28dc 100644
--- a/ArduCopter/motors_y6.pde
+++ b/ArduCopter/motors_y6.pde
@@ -18,7 +18,7 @@ static void output_motors_armed()
 	int out_max = g.rc_3.radio_max;
 
 	// Throttle is 0 to 1000 only
-	g.rc_3.servo_out 	= constrain(g.rc_3.servo_out, 0, MAXIMUM_THROTTLE);
+	g.rc_3.servo_out 	= constrain(g.rc_3.servo_out, 0, 800);
 
 	if(g.rc_3.servo_out > 0)
 		out_min = g.rc_3.radio_min + MINIMUM_THROTTLE;