diff --git a/rigs/yaesu/ft2000.c b/rigs/yaesu/ft2000.c
index c4428cf04..c8b35020c 100644
--- a/rigs/yaesu/ft2000.c
+++ b/rigs/yaesu/ft2000.c
@@ -101,7 +101,7 @@ const struct rig_caps ft2000_caps =
     .serial_rate_min =    4800,         /* Default rate per manual */
     .serial_rate_max =    38400,
     .serial_data_bits =   8,
-    .serial_stop_bits =   1,            /* Assumed since manual makes no mention */
+    .serial_stop_bits =   2,            /* Assumed since manual makes no mention */
     .serial_parity =      RIG_PARITY_NONE,
     .serial_handshake =   RIG_HANDSHAKE_HARDWARE,
     .write_delay =        FT2000_WRITE_DELAY,
diff --git a/rigs/yaesu/ft3000.c b/rigs/yaesu/ft3000.c
index c06274b6e..1b0197e6a 100644
--- a/rigs/yaesu/ft3000.c
+++ b/rigs/yaesu/ft3000.c
@@ -104,7 +104,7 @@ const struct rig_caps ftdx3000_caps =
     .serial_rate_min =    4800,         /* Default rate per manual */
     .serial_rate_max =    38400,
     .serial_data_bits =   8,
-    .serial_stop_bits =   1,            /* Assumed since manual makes no mention */
+    .serial_stop_bits =   2,            /* Assumed since manual makes no mention */
     .serial_parity =      RIG_PARITY_NONE,
     .serial_handshake =   RIG_HANDSHAKE_HARDWARE,
     .write_delay =        FTDX5000_WRITE_DELAY,
diff --git a/rigs/yaesu/ft450.c b/rigs/yaesu/ft450.c
index 7bd00548d..f3ac27d32 100644
--- a/rigs/yaesu/ft450.c
+++ b/rigs/yaesu/ft450.c
@@ -54,7 +54,7 @@ const struct rig_caps ft450_caps =
     .serial_rate_min =    4800,         /* Default rate per manual */
     .serial_rate_max =    38400,
     .serial_data_bits =   8,
-    .serial_stop_bits =   1,            /* Assumed since manual makes no mention */
+    .serial_stop_bits =   2,            /* Assumed since manual makes no mention */
     .serial_parity =      RIG_PARITY_NONE,
     .serial_handshake =   RIG_HANDSHAKE_HARDWARE,
     .write_delay =        FT450_WRITE_DELAY,
diff --git a/rigs/yaesu/ft5000.c b/rigs/yaesu/ft5000.c
index 58c0327ec..4baeecb38 100644
--- a/rigs/yaesu/ft5000.c
+++ b/rigs/yaesu/ft5000.c
@@ -98,7 +98,7 @@ const struct rig_caps ftdx5000_caps =
     .serial_rate_min =    4800,         /* Default rate per manual */
     .serial_rate_max =    38400,
     .serial_data_bits =   8,
-    .serial_stop_bits =   1,            /* Assumed since manual makes no mention */
+    .serial_stop_bits =   2,            /* Assumed since manual makes no mention */
     .serial_parity =      RIG_PARITY_NONE,
     .serial_handshake =   RIG_HANDSHAKE_HARDWARE,
     .write_delay =        FTDX5000_WRITE_DELAY,
diff --git a/rigs/yaesu/ft891.c b/rigs/yaesu/ft891.c
index adc5efa44..1e99e7134 100644
--- a/rigs/yaesu/ft891.c
+++ b/rigs/yaesu/ft891.c
@@ -60,7 +60,7 @@ const struct rig_caps ft891_caps =
     .serial_rate_min =    4800,         /* Default rate per manual */
     .serial_rate_max =    38400,
     .serial_data_bits =   8,
-    .serial_stop_bits =   1,            /* Assumed since manual makes no mention */
+    .serial_stop_bits =   2,            /* Assumed since manual makes no mention */
     .serial_parity =      RIG_PARITY_NONE,
     .serial_handshake =   RIG_HANDSHAKE_HARDWARE,
     .write_delay =        FT891_WRITE_DELAY,
diff --git a/rigs/yaesu/ft9000.c b/rigs/yaesu/ft9000.c
index 746225c79..04d623d85 100644
--- a/rigs/yaesu/ft9000.c
+++ b/rigs/yaesu/ft9000.c
@@ -61,7 +61,7 @@ const struct rig_caps ft9000_caps =
     .serial_rate_min =    4800,         /* Default rate per manual */
     .serial_rate_max =    38400,
     .serial_data_bits =   8,
-    .serial_stop_bits =   1,            /* Assumed since manual makes no mention */
+    .serial_stop_bits =   2,            /* Assumed since manual makes no mention */
     .serial_parity =      RIG_PARITY_NONE,
     .serial_handshake =   RIG_HANDSHAKE_HARDWARE,
     .write_delay =        FT9000_WRITE_DELAY,
diff --git a/rigs/yaesu/ft950.c b/rigs/yaesu/ft950.c
index 2d59ac14d..54cff5646 100644
--- a/rigs/yaesu/ft950.c
+++ b/rigs/yaesu/ft950.c
@@ -99,7 +99,7 @@ const struct rig_caps ft950_caps =
     .serial_rate_min =    4800,         /* Default rate per manual */
     .serial_rate_max =    38400,
     .serial_data_bits =   8,
-    .serial_stop_bits =   1,            /* Assumed since manual makes no mention */
+    .serial_stop_bits =   2,            /* Assumed since manual makes no mention */
     .serial_parity =      RIG_PARITY_NONE,
     .serial_handshake =   RIG_HANDSHAKE_HARDWARE,
     .write_delay =        FT950_WRITE_DELAY,
diff --git a/rigs/yaesu/ft991.c b/rigs/yaesu/ft991.c
index ecf672994..89fd20143 100644
--- a/rigs/yaesu/ft991.c
+++ b/rigs/yaesu/ft991.c
@@ -59,7 +59,7 @@ const struct rig_caps ft991_caps =
     .serial_rate_min =    4800,         /* Default rate per manual */
     .serial_rate_max =    38400,
     .serial_data_bits =   8,
-    .serial_stop_bits =   1,            /* Assumed since manual makes no mention */
+    .serial_stop_bits =   2,            /* Assumed since manual makes no mention */
     .serial_parity =      RIG_PARITY_NONE,
     .serial_handshake =   RIG_HANDSHAKE_HARDWARE,
     .write_delay =        FT991_WRITE_DELAY,
diff --git a/rigs/yaesu/ftdx10.c b/rigs/yaesu/ftdx10.c
index 404980684..4a9117684 100644
--- a/rigs/yaesu/ftdx10.c
+++ b/rigs/yaesu/ftdx10.c
@@ -86,7 +86,7 @@ const struct rig_caps ftdx10_caps =
     .serial_rate_min =    4800,
     .serial_rate_max =    38400,
     .serial_data_bits =   8,
-    .serial_stop_bits =   1,
+    .serial_stop_bits =   2,
     .serial_parity =      RIG_PARITY_NONE,
     .serial_handshake =   RIG_HANDSHAKE_HARDWARE,
     .write_delay =        FTDX10_WRITE_DELAY,