Ok, so i followed the tutorial on how to clean the carburetor on the technical section and i have some ugly news...
Now, the big chunks were already in the container, but as you can see the gas that came out from the hole were the petcock sits it's pretty ugly... there's rust in the tank, and this is just the beginning...
The gas on the left instead it's the one that i drained from the petcock emptying the tank as the tutorial says.
this is the lower bowl of the carb...
I just hope to have not compromised the engine... i guess i have to change the tank :'(
Here's the carb in the process of disassembly and cleaning...
some other pics of the carb
As SavageWahine noted in the tutorial (step 16a), this is i guess the kind of carb that is featured in the clymers manual (that i don't have, instead i have downloaded the Suzuki service manual).
Well, i hope tomorrow that some stuck bolts will come loose thanks to WD40, i will get some brake cleaner and the seafoam (here where i live there are a bunch of hardware stores for yachts and marine applications so i'm confident to find it or something similar.
Again and again, thank's to you all guys.