Am I missing Somthing Here?

Hi all. This is my first post so I hope I do this right. I just bought a 1976 KZ900 and as I was getting into the bike I took off the right side plastic cover. I saw there were 3 male prongs on the cover that would go into the rubber grommets on the frame. But, there are only 2 rubber grommets for the 2 upper male prongs. There is no lower one??? I have attached a picture and circled in red the 2 upper ones and as you can see there is nothing at the bottom. Is there a bracket that's missing??

When I look up the frame on a parts fiche I can't tell

Thanks very much in advance.

Rapid

There is a bracket that bolts on to hold the battery in. The third side cover mount is on that bracket.

Later, Doug

Yup. You need to get one. losing a side cover will make for a FK'ed up day!
Steve

That looks like a Z1 air box on there.
Steve

The Bracket is welded on to the battery box, & it sticks out about an inch
Pete