Had the same kind of cracks, Suzuki replaced the frame.If I sit on the bike its on the left hand side, you will have to remove the front fairings to see it, I was told about the possibility of a cracked frame before I decided to get my hands on one, the rear damper mounts are fine on mine I checked it over and over after finding the one near the head stock, this is a pic of a similar crack 👍
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Well, it's a while ago in 2000 when Suzuki hadn't forgotten about twins yet. Just brought the frame to the dealer who sent it to the importer, and as I've been told it was shipped to Japan for further examination. Got a brand spanking new frame in a plastic bag. That's all. Sorry for the crack picture not being too sharp from the era of filmrolls. Was already happy with a printed date on the picture. As you can see it took about 6 weeks for Suzuki to figure it out and send things forth and back. It took me about two weekends and an unknown quantity of beer to put the bike together again. She's still around.there is no recall notice against the frames - the recall is for the damper only.
You can make a claim of faulty goods for a frame or a tank but you may not necessarily win that claim. Some do, some don't.
Perhaps forum members who successfully made such claims could post up and tell us how they succeeded where others have failed...............