Have you tried pushing down gently on the back of the seat while turning the key? Sometimes when my seat is overfull, so that the contents are pushing back up, mine's difficult to unlatch. If I just push down gently, then I can open it with no trouble.
When I turn the key their is no click or any indication that the latch has been released. It seems that the cable is disconnected at the latch, broken? When you tug on the seat is is firmly latched and will move ever so slightly, just like it is firmly latched. Tried the banging on the seat, pressure while turning the key. Appears not to be released.
Sounds like it's not shut all the way. Give it a good THUMP to make sure it's closed. If the seat isn't completely closed, the latch will not release. To keep from having the problem in the future, you could use this mod :
Also look at your key to see if it is slightly bent. The long key bends easily if you carry it in a back pocket and sit on it or something. Sometimes a slightly bent key will not trigger the trunk release.
Press down hard on the very end of the seat and turn the key at the same time. Get someone to help you if needed. If you still get no click - then it isn't going to open, and you'll have to take the bike apart to get into it (take it to the shop if you have a warranty).
I pulled the dash and accessed the lock release. It is functional and so I then pulled on the cable more with needle nose pliers, thinking there might be slack. There is no resistant on the cable in the trunk. Obviously the cable is broken or disconnected. You can't take apart the fenders to access the trunk latch because the bolts are in the trunk. I hope you guys don't have this problem. I purchased this bike in '03 and it is out of warranty. I guess my only choice is to take it in to the Suzuki Shop.
I appreciate all of the help and I did look at the How To Section on the 400. But, unfortunately, on the 650 you can't get the lens cover out until you remove the center frame cover. To get to those screws, it is in the trunk. We are leaving on a trip Tuesday, so I'll have to wait till we return to take it to the shop. I guess we will just live without the trunk.
My seat refuses to open quite regularly. Whether it's empty or full doesn't seem to make a difference. I just make fist and gently hit the top of the seat at the very end, above the latch. If the gentle hit doesn't work, I hit it again harder and that always opens the seat.
I have no idea why the seat won't mechanically open all the time, but at least I know the short term solution.
I unscrewed the latch and attached a piece of wire toit, ran the wire around the side and tucked it under the seat where I can find it if I need to but it's not obvious. I've been going to do this for a while so thanks for the reminder.
After my two incidents locking the key in the trunk, I studied some things when I had it all apart to put on my Givi trunk.
I don't think there's any reason to take off the lens covers. Pop the bottom, rear plastic panel. Then, some small tool could be able to fit into the gap between the seat and the upper rear panel to pop the fasteners. Pry those out and remove that panel. Then, you'd have access to the release.
I'd try it, but with the Givi mount in place now, that would be a lot of work.
And, when you get it open, attach a piece of fine wire to the mechanism, lead it around the side and tuck it under the rubber gasket so you can get hold of it but it's not visible. You'll really appreciate having done that when the release cable breaks.
Today I picked up the bike at the shop. Total Bill $250.00, it had a broken cable. Guys make the alternative wire so when this happens to you ( hope it doesn't ) you can order and repair yourself. My problem was I could not get the trunk open to repair. Glad to have the bike back.
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