Part Number 6109

-Used on first generation ESRs.

-Has a separate ON/OFF button which is NOT part of the throttle.

Part Number 6110A

-Has WHITE plastic “JST” brand electrical connector.

-Connector will probably be covered in black rubber heat shrink tubing.

-Installed on scooters beginning December 2003.

Part Number 6110B

-Throttle may look like either of the two photos below.

-Has black plastic “Molex” brand electrical connector.

-Connector will probably be inside the battery pan.

-Installed on scooters beginning October 2005.