Stopper Ring Removal Note

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

When removing the stopper ring, do not damage the fuel injector with the tool.

Remove the stopper ring as shown in the figure.

Fig 1: Removing Stopper Ring
Courtesy of MAZDA MOTORS CORP.