diff --git a/esphome/components/remote_transmitter/remote_transmitter.cpp b/esphome/components/remote_transmitter/remote_transmitter.cpp
index 49c711330b..31e7464314 100644
--- a/esphome/components/remote_transmitter/remote_transmitter.cpp
+++ b/esphome/components/remote_transmitter/remote_transmitter.cpp
@@ -81,25 +81,37 @@ void RemoteTransmitterComponent::send_internal(uint32_t send_times, uint32_t sen
   ESP_LOGD(TAG, "Sending remote code");
   uint32_t on_time, off_time;
   this->calculate_on_off_time_(this->temp_.get_carrier_frequency(), &on_time, &off_time);
-  this->target_time_ = 0;
   this->transmit_trigger_.trigger();
   for (uint32_t i = 0; i < send_times; i++) {
-    InterruptLock lock;
-    for (int32_t item : this->temp_.get_data()) {
-      if (item > 0) {
-        const auto length = uint32_t(item);
-        this->mark_(on_time, off_time, length);
-      } else {
-        const auto length = uint32_t(-item);
-        this->space_(length);
+    {
+      InterruptLock lock;
+      // Re-anchor every iteration: timing must never span a lock boundary, as micros() can
+      // jump when interrupts are re-enabled between repeats (e.g. LibreTiny's Beken micros()
+      // discards its interrupt-lock correction, stretching the repeat gap by the lock duration)
+      this->target_time_ = 0;
+      for (int32_t item : this->temp_.get_data()) {
+        if (item > 0) {
+          const auto length = uint32_t(item);
+          this->mark_(on_time, off_time, length);
+        } else {
+          const auto length = uint32_t(-item);
+          this->space_(length);
+        }
+        App.feed_wdt();
       }
-      App.feed_wdt();
+      this->await_target_time_();  // wait for duration of last pulse
+      this->pin_->digital_write(false);
     }
-    this->await_target_time_();  // wait for duration of last pulse
-    this->pin_->digital_write(false);
 
-    if (i + 1 < send_times)
-      this->target_time_ += send_wait;
+    if (i + 1 < send_times) {
+      // Wait out the repeat gap with interrupts enabled: wait_time is unbounded user config
+      // (previously this spin ran inside the next iteration's lock, disabling interrupts for
+      // the whole gap). Anchoring after the lock release keeps it exact on all platforms.
+      const uint32_t gap_end = micros() + send_wait;
+      while ((int32_t) (gap_end - micros()) > 0) {
+        App.feed_wdt();
+      }
+    }
   }
   this->complete_trigger_.trigger();
 }
diff --git a/esphome/components/remote_transmitter/remote_transmitter.h b/esphome/components/remote_transmitter/remote_transmitter.h
index e2d33d13cc..0aa04682ba 100644
--- a/esphome/components/remote_transmitter/remote_transmitter.h
+++ b/esphome/components/remote_transmitter/remote_transmitter.h
@@ -72,7 +72,7 @@ class RemoteTransmitterComponent final : public remote_base::RemoteTransmitterBa
   void space_(uint32_t usec);
 
   void await_target_time_();
-  uint32_t target_time_;
+  uint32_t target_time_{0};
 #endif
 
 #if defined(USE_ESP32) && SOC_RMT_SUPPORTED
diff --git a/tests/components/remote_transmitter/test.bk72xx-ard.yaml b/tests/components/remote_transmitter/test.bk72xx-ard.yaml
new file mode 100644
index 0000000000..2a5cceddec
--- /dev/null
+++ b/tests/components/remote_transmitter/test.bk72xx-ard.yaml
@@ -0,0 +1,7 @@
+remote_transmitter:
+  id: xmitr
+  pin: GPIO26
+  carrier_duty_percent: 50%
+
+packages:
+  buttons: !include common-buttons.yaml