How to replace the flasher unit – Honda CB125E, GLH125SH

Got a broken indicator flasher controller on your Honda CB125E? Changing it out for a new one is a quick and simple process. First, you’ll need to remove the left side cover. The flasher unit sits directly behind it:

Here are some photos showing how to remove the flasher unit on a Honda CB125E or GLH125SH motorcycle, as featured on MotoFaction.org.

It’s a Mitsuba FR-2201. This seems to be quite a common flasher unit for bikes, and a quick Google shows that it’s used on some recent BMW motorbikes at least! It’s kept against the plastic backing plate by a rubber sheath; lift it up to remove it:

Here are some photos showing how to remove the flasher unit on a Honda CB125E or GLH125SH motorcycle, as featured on MotoFaction.org.

There’s a single connector with two pins going into it:

Here are some photos showing how to remove the flasher unit on a Honda CB125E or GLH125SH motorcycle, as featured on MotoFaction.org.

It should pull off easily, and only fits one way:

Here are some photos showing how to remove the flasher unit on a Honda CB125E or GLH125SH motorcycle, as featured on MotoFaction.org.

Flasher with wires removed:

Here are some photos showing how to remove the flasher unit on a Honda CB125E or GLH125SH motorcycle, as featured on MotoFaction.org.

Now remove the rubber sheath, swap in your new working unit, plug the wire back in, put it back and test your indicators.

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