GPZ1100 seat mounting question

I am assembling a GPZ1100 from spare parts I had. My problem is that even with a parts manual I cannot work out what holds/ locks the seat to the frame. The manual pictures don't show what I might be missing.
The frame is from a KZ1000J 1980 model and the seat is from a 1981 GPZ1100 but I assume both frame are alike.
If you have a GPZ1100 laying about can you take some photos please or if you have a picture from a book that would also do.

Picture of the under seat

photo of my project

Close up of the frame where the seat latches

Latch is on the other side.


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Nebr_Rex wrote: Latch is on the other side.


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I don't have a latch on my frame, have you got a picture of one or can you point me to a picture?. Thanks for your reply.

Don't those catches go through the blocks and the longer one is the lever?
Steve

You should have a seat lock on the left side of the frame right next to the top shock mount, looks like this:





To remove the seat you turn the key clockwise to unlock, then pull out the rod that keeps the catches engaged.
Push the catches forward to release them and you can lift the seat off.

To install the seat you slide the front brackets into the holders on the frame, insert the rear catches into the rectangular holes, press down on the back of the seat and push the catches backwards to engage them. Once the catches are engaged you push in the rod to keep them engaged and turn the key ccw to lock.

Thankyou ONKELB that is what I wanted, just one more question - does the latch that is attached to the seat (shown in my first picture) have some kind of a spring on it to keep it forward?
As you can see by my photos I mounted the indicator stalks where the latches go, so at the end of the day I might have to make something simpler (I don't really need a lock).

No spring, it's all manual.